{"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026view=list","prev":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=13\u0026view=list","next":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=15\u0026view=list","last":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=37\u0026view=list"},"meta":{"pages":{"current_page":14,"next_page":15,"prev_page":13,"total_pages":37,"limit_value":10,"offset_value":130,"total_count":367,"first_page?":false,"last_page?":false}},"data":[{"id":"vaallhs_repositories_2_resources_133_c01_c261","type":"File","attributes":{"title":"Installation automatic oilers on N end southbound hump, Potomac Yard. (AFE 20080)","breadcrumbs":{"id":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c261#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c261","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c261"],"id":"vaallhs_repositories_2_resources_133_c01_c261","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Installation automatic oilers on N end southbound hump, Potomac Yard. (AFE 20080)","English .","box 7","folder 15"],"title_filing_ssi":"Installation automatic oilers on N end southbound hump, Potomac Yard. (AFE 20080)","title_ssm":["Installation automatic oilers on N end southbound hump, Potomac Yard. (AFE 20080)"],"title_tesim":["Installation automatic oilers on N end southbound hump, Potomac Yard. (AFE 20080)"],"unitdate_inclusive_ssm":["1953-1962"],"normalized_date_ssm":["1953/1962"],"normalized_title_ssm":["Installation automatic oilers on N end southbound hump, Potomac Yard. (AFE 20080)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":262,"date_range_isim":[1953,1954,1955,1956,1957,1958,1959,1960,1961,1962],"language_ssim":["English ."],"containers_ssim":["box 7","folder 15"],"_nest_path_":"/components#0/components#260","timestamp":"2026-05-01T00:09:32.689Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-01T00:09:32.689Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c261"}},{"id":"vaallhs_repositories_2_resources_133_c01_c250","type":"File","attributes":{"title":"Installation bathroom, kitchen fixtures in section foreman's house, Slaters Lane. (AFE 20067)","breadcrumbs":{"id":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c250#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c250","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c250"],"id":"vaallhs_repositories_2_resources_133_c01_c250","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Installation bathroom, kitchen fixtures in section foreman's house, Slaters Lane. (AFE 20067)","English .","box 7","folder 4"],"title_filing_ssi":"Installation bathroom, kitchen fixtures in section foreman's house, Slaters Lane. (AFE 20067)","title_ssm":["Installation bathroom, kitchen fixtures in section foreman's house, Slaters Lane. (AFE 20067)"],"title_tesim":["Installation bathroom, kitchen fixtures in section foreman's house, Slaters Lane. (AFE 20067)"],"unitdate_inclusive_ssm":["1953"],"normalized_date_ssm":["1953"],"normalized_title_ssm":["Installation bathroom, kitchen fixtures in section foreman's house, Slaters Lane. (AFE 20067)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":251,"date_range_isim":[1953],"language_ssim":["English ."],"containers_ssim":["box 7","folder 4"],"_nest_path_":"/components#0/components#249","timestamp":"2026-05-01T00:09:32.689Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-01T00:09:32.689Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c250"}},{"id":"vaallhs_repositories_2_resources_133_c01_c242","type":"File","attributes":{"title":"Installation code equipment to loop locomotive test circuits for train control. (AFE 20051)","breadcrumbs":{"id":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c242#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c242","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c242"],"id":"vaallhs_repositories_2_resources_133_c01_c242","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Installation code equipment to loop locomotive test circuits for train control. (AFE 20051)","English .","box 6","folder 31"],"title_filing_ssi":"Installation code equipment to loop locomotive test circuits for train control. (AFE 20051)","title_ssm":["Installation code equipment to loop locomotive test circuits for train control. (AFE 20051)"],"title_tesim":["Installation code equipment to loop locomotive test circuits for train control. (AFE 20051)"],"unitdate_inclusive_ssm":["1952"],"normalized_date_ssm":["1952"],"normalized_title_ssm":["Installation code equipment to loop locomotive test circuits for train control. (AFE 20051)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":243,"date_range_isim":[1952],"language_ssim":["English ."],"containers_ssim":["box 6","folder 31"],"_nest_path_":"/components#0/components#241","timestamp":"2026-05-01T00:09:32.689Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-01T00:09:32.689Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c242"}},{"id":"vaallhs_repositories_2_resources_133_c01_c13","type":"File","attributes":{"title":"Installation \"deadman\" safety control on 14 Yard diesel engines. (AFE 3652)","breadcrumbs":{"id":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c13#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c13","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c13"],"id":"vaallhs_repositories_2_resources_133_c01_c13","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Installation \"deadman\" safety control on 14 Yard diesel engines. (AFE 3652)","English .","box 1","folder 13"],"title_filing_ssi":"Installation \"deadman\" safety control on 14 Yard diesel engines. (AFE 3652)","title_ssm":["Installation \"deadman\" safety control on 14 Yard diesel engines. (AFE 3652)"],"title_tesim":["Installation \"deadman\" safety control on 14 Yard diesel engines. (AFE 3652)"],"unitdate_inclusive_ssm":["1963-1964"],"normalized_date_ssm":["1963/1964"],"normalized_title_ssm":["Installation \"deadman\" safety control on 14 Yard diesel engines. (AFE 3652)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":14,"date_range_isim":[1963,1964],"language_ssim":["English ."],"containers_ssim":["box 1","folder 13"],"_nest_path_":"/components#0/components#12","timestamp":"2026-05-01T00:09:32.689Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-01T00:09:32.689Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c13"}},{"id":"vaallhs_repositories_2_resources_133_c01_c146","type":"File","attributes":{"title":"Installation drainage system at icing station. (AFE 5901)","breadcrumbs":{"id":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c146#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c146","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c146"],"id":"vaallhs_repositories_2_resources_133_c01_c146","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Installation drainage system at icing station. (AFE 5901)","English .","box 4","folder 9"],"title_filing_ssi":"Installation drainage system at icing station. (AFE 5901)","title_ssm":["Installation drainage system at icing station. (AFE 5901)"],"title_tesim":["Installation drainage system at icing station. (AFE 5901)"],"unitdate_inclusive_ssm":["1946-1948"],"normalized_date_ssm":["1946/1948"],"normalized_title_ssm":["Installation drainage system at icing station. (AFE 5901)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":147,"date_range_isim":[1946,1947,1948],"language_ssim":["English ."],"containers_ssim":["box 4","folder 9"],"_nest_path_":"/components#0/components#145","timestamp":"2026-05-01T00:09:32.689Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-01T00:09:32.689Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c146"}},{"id":"vaallhs_repositories_2_resources_133_c01_c262","type":"File","attributes":{"title":"Installation drinking fountain, near W \u0026 OD bridge. (AFE 20081)","breadcrumbs":{"id":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c262#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c262","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c262"],"id":"vaallhs_repositories_2_resources_133_c01_c262","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Installation drinking fountain, near W \u0026 OD bridge. (AFE 20081)","English .","box 7","folder 16"],"title_filing_ssi":"Installation drinking fountain, near W \u0026 OD bridge. (AFE 20081)","title_ssm":["Installation drinking fountain, near W \u0026 OD bridge. (AFE 20081)"],"title_tesim":["Installation drinking fountain, near W \u0026 OD bridge. (AFE 20081)"],"unitdate_inclusive_ssm":["1953"],"normalized_date_ssm":["1953"],"normalized_title_ssm":["Installation drinking fountain, near W \u0026 OD bridge. (AFE 20081)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":263,"date_range_isim":[1953],"language_ssim":["English ."],"containers_ssim":["box 7","folder 16"],"_nest_path_":"/components#0/components#261","timestamp":"2026-05-01T00:09:32.689Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-01T00:09:32.689Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c262"}},{"id":"vaallhs_repositories_2_resources_133_c01_c174","type":"File","attributes":{"title":"Installation electric service line to serve 77 switch box, etc. (AFE 5941)","breadcrumbs":{"id":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c174#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c174","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c174"],"id":"vaallhs_repositories_2_resources_133_c01_c174","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Installation electric service line to serve 77 switch box, etc. (AFE 5941)","English .","box 4","folder 37"],"title_filing_ssi":"Installation electric service line to serve 77 switch box, etc. (AFE 5941)","title_ssm":["Installation electric service line to serve 77 switch box, etc. (AFE 5941)"],"title_tesim":["Installation electric service line to serve 77 switch box, etc. (AFE 5941)"],"unitdate_inclusive_ssm":["1948"],"normalized_date_ssm":["1948"],"normalized_title_ssm":["Installation electric service line to serve 77 switch box, etc. (AFE 5941)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":175,"date_range_isim":[1948],"language_ssim":["English ."],"containers_ssim":["box 4","folder 37"],"_nest_path_":"/components#0/components#173","timestamp":"2026-05-01T00:09:32.689Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-01T00:09:32.689Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c174"}},{"id":"vaallhs_repositories_2_resources_133_c01_c95","type":"File","attributes":{"title":"Installation floodlights – coaling station. (AFE 5818)","breadcrumbs":{"id":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c95#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c95","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c95"],"id":"vaallhs_repositories_2_resources_133_c01_c95","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Installation floodlights – coaling station. (AFE 5818)","English .","box 3","folder 20"],"title_filing_ssi":"Installation floodlights – coaling station. (AFE 5818)","title_ssm":["Installation floodlights – coaling station. (AFE 5818)"],"title_tesim":["Installation floodlights – coaling station. (AFE 5818)"],"unitdate_inclusive_ssm":["1946"],"normalized_date_ssm":["1946"],"normalized_title_ssm":["Installation floodlights – coaling station. (AFE 5818)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":96,"date_range_isim":[1946],"language_ssim":["English ."],"containers_ssim":["box 3","folder 20"],"_nest_path_":"/components#0/components#94","timestamp":"2026-05-01T00:09:32.689Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-01T00:09:32.689Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c95"}},{"id":"vaallhs_repositories_2_resources_133_c01_c205","type":"File","attributes":{"title":"Installation gas heat in #41 yard office. (AFE 5997)","breadcrumbs":{"id":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c205#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c205","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c205"],"id":"vaallhs_repositories_2_resources_133_c01_c205","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Installation gas heat in #41 yard office. (AFE 5997)","English .","box 5","folder 12"],"title_filing_ssi":"Installation gas heat in #41 yard office. (AFE 5997)","title_ssm":["Installation gas heat in #41 yard office. (AFE 5997)"],"title_tesim":["Installation gas heat in #41 yard office. (AFE 5997)"],"unitdate_inclusive_ssm":["1950-1954"],"normalized_date_ssm":["1950/1954"],"normalized_title_ssm":["Installation gas heat in #41 yard office. (AFE 5997)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":206,"date_range_isim":[1950,1951,1952,1953,1954],"language_ssim":["English ."],"containers_ssim":["box 5","folder 12"],"_nest_path_":"/components#0/components#204","timestamp":"2026-05-01T00:09:32.689Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-01T00:09:32.689Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c205"}},{"id":"vaallhs_repositories_2_resources_133_c01_c235","type":"File","attributes":{"title":"Installation lights/phone in building #8. (AFE 20038)","breadcrumbs":{"id":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c235#breadcrumbs","type":"document_value","attributes":{"value":{"ref_ssi":"vaallhs_repositories_2_resources_133_c01_c235","ref_ssm":["vaallhs_repositories_2_resources_133_c01_c235"],"id":"vaallhs_repositories_2_resources_133_c01_c235","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133_c01","parent_ssi":"vaallhs_repositories_2_resources_133_c01","parent_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_ids_ssim":["vaallhs_repositories_2_resources_133","vaallhs_repositories_2_resources_133_c01"],"parent_unittitles_ssm":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"parent_unittitles_tesim":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure"],"text":["Potomac Yard Collection (MS050)","Series I: Authorizations for Expenditure","Installation lights/phone in building #8. (AFE 20038)","English .","box 6","folder 24"],"title_filing_ssi":"Installation lights/phone in building #8. (AFE 20038)","title_ssm":["Installation lights/phone in building #8. (AFE 20038)"],"title_tesim":["Installation lights/phone in building #8. (AFE 20038)"],"unitdate_inclusive_ssm":["1951-1952"],"normalized_date_ssm":["1951/1952"],"normalized_title_ssm":["Installation lights/phone in building #8. (AFE 20038)"],"component_level_isim":[2],"repository_ssim":["Alexandria Library"],"collection_ssim":["Potomac Yard Collection (MS050)"],"has_online_content_ssim":["false"],"child_component_count_isi":0,"level_ssm":["File"],"level_ssim":["File"],"sort_isi":236,"date_range_isim":[1951,1952],"language_ssim":["English ."],"containers_ssim":["box 6","folder 24"],"_nest_path_":"/components#0/components#234","timestamp":"2026-05-01T00:09:32.689Z","collection":{"numFound":1,"start":0,"numFoundExact":true,"docs":[{"id":"vaallhs_repositories_2_resources_133","ead_ssi":"vaallhs_repositories_2_resources_133","_root_":"vaallhs_repositories_2_resources_133","_nest_parent_":"vaallhs_repositories_2_resources_133","ead_source_url_ssi":"data/oai/ALEX/repositories_2_resources_133.xml","aspace_url_ssi":"https://alexlibraryva.libraryhost.com/repositories/2/resources/133","title_ssm":["Potomac Yard Collection (MS050)"],"title_tesim":["Potomac Yard Collection (MS050)"],"unitdate_ssm":["1927-2000"],"unitdate_inclusive_ssm":["1927-2000"],"level_ssm":["collection"],"level_ssim":["Collection"],"unitid_ssm":["MS050"],"text":["MS050","Potomac Yard Collection (MS050)","Potomac Yard (Va.)","Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia","The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.","Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.","Local History/Special Collections, Alexandria Library","Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.","Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)","English \n.    "],"unitid_tesim":["MS050"],"normalized_title_ssm":["Potomac Yard Collection (MS050)"],"collection_title_tesim":["Potomac Yard Collection (MS050)"],"collection_ssim":["Potomac Yard Collection (MS050)"],"repository_ssm":["Alexandria Library"],"repository_ssim":["Alexandria Library"],"geogname_ssm":["Potomac Yard (Va.)"],"geogname_ssim":["Potomac Yard (Va.)"],"creator_ssm":["Potomac Yard (1906-1989)"],"creator_ssim":["Potomac Yard (1906-1989)"],"creator_corpname_ssim":["Potomac Yard (1906-1989)"],"creators_ssim":["Potomac Yard (1906-1989)"],"places_ssim":["Potomac Yard (Va.)"],"access_subjects_ssim":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"access_subjects_ssm":["Blueprints.","Railroad trains.","rail yards","Railroad yards -- Virginia","Railroads -- Virginia"],"has_online_content_ssim":["false"],"extent_ssm":[".85 Cubic Feet 12 boxes"],"extent_tesim":[".85 Cubic Feet 12 boxes"],"date_range_isim":[1927,1928,1929,1930,1931,1932,1933,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1949,1950,1951,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000],"arrangement_html_tesm":["\u003cp\u003eThe Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia.\u003c/p\u003e"],"arrangement_heading_ssm":["Arrangement"],"arrangement_tesim":["The Potomac Yard Collection consists of three series: Authorization for Expenditure (AFE) files, notebooks which were kept by railyard staff, and blueprints of various sections of the rail yard and rail lines.  There are 12 boxes in the total collection: 8 boxes on Authorization for Expenditure Records, 1 box consisting of notebooks, and 3 oversize boxes that contain blueprints. AFE files are arranged numerically according to the Authorization For Expenditure number. This mostly coincides with the dates of the commissioned projects, purchases, or sales ranging from the 1940s through the 1960s and their approval. Blueprints are mostly from the 1960s and are in 3 subseries which includes plans for projects throughout Virginia, Maryland and the District of Columbia."],"bioghist_html_tesm":["\u003cp\u003ePotomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.\u003c/p\u003e\n","\u003cp\u003eRailroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.\u003c/p\u003e\n","\u003cp\u003eDuring the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.\u003c/p\u003e\n","\u003cp\u003eIn postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987.\u003c/p\u003e"],"bioghist_heading_ssm":["Biographical / Historical"],"bioghist_tesim":["Potomac Yard was one of the busiest rail yards on the Eastern Seaboard of the United States. Today, it refers to the neighborhood encompassing the same area, located southeast of Arlington County, just north of Old Town Alexandria. It is bordered by U.S. Route 1 to the west, George Washington Memorial Parkway to the east, Four Mile Run to the north, and Braddock Road on the south.","Railroad development between Alexandria and Washington began in the 1850s with the first being the Alexandria and Washington Railroad which began service in 1857.  Hoping to compete with Balitmore for trade with the west, construction of the Alexandria, Loudoun and Hampshire Railroad began in 1855, with the first trains running between Alexandria and Leesburg by 1860.  Both rail lines crossed into the area that would become Potomac Yard.","During the Civil War, Alexandria remained under Union control.  Railroads to and from Alexandria served as a major depot for shipment of supplies and troops to the front, as well as a hospital and convalescent center for those injured. The U.S. Military Railroad Complex, a secure and stockaded 12-block area enclosing the facilities of the Orange and Alexandria was constructed.  During the war, rail lines were connected to the North, crossing the Long Bridge to the Balitmore and Ohio Railroad.","In postwar years, the Washington, D.C. became a major point of transfer of freight between northern and southern rail networks. At the turn of the 20th century, rail traffic was significantly heavy going through Alexandria creating a bottleneck, and Washington sought to beautify the city by moving the railroads out of the central city. The solution to these issues came when the six competing rail lines banded together to construct a rail yard to facilitate the movement of freight between northern and southern rail lines. Potomac Yard, known as the \"Gateway Between the North and the South\" became the largest railroad yard for freight car interchange on the east coast. When Potomac Yard opened on August 1, 1906, it had 52 miles of track that could handle 3,127 cars. The yard grew to a maximum of 136 miles of track crammed into a 2 ½ to 3 mile stretch of land. At its peak, it services 103 trains daily before being decommissioned in 1987."],"originalsloc_html_tesm":["\u003cp\u003eLocal History/Special Collections, Alexandria Library\u003c/p\u003e"],"originalsloc_heading_ssm":["Existence and Location of Originals"],"originalsloc_tesim":["Local History/Special Collections, Alexandria Library"],"prefercite_html_tesm":["\u003cp\u003e[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia.\u003c/p\u003e"],"prefercite_tesim":["[item identification], Potomac Yards Collection, MS050, Alexandria Library, Local History and Special Collections, Alexandria, Virginia."],"scopecontent_html_tesm":["\u003cp\u003eRecords, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia.\u003c/p\u003e"],"scopecontent_heading_ssm":["Content Description"],"scopecontent_tesim":["Records, correspondences, authorizations for expenditure (AFEs), notebooks, ephemera, and blueprints, all documenting the Potomac Yard rail yard in Alexandria, Virginia."],"names_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"corpname_ssim":["Local History and Special Collections Branch, Alexandria Library","Potomac Yard (1906-1989)"],"language_ssim":["English \n.    "],"descrules_ssm":["Describing Archives: A Content Standard"],"total_component_count_is":366,"online_item_count_is":0,"component_level_isim":[0],"sort_isi":0,"timestamp":"2026-05-01T00:09:32.689Z"}]}},"label":"Breadcrumbs"}}},"links":{"self":"https://search.arvasarchive.org/catalog/vaallhs_repositories_2_resources_133_c01_c235"}}],"included":[{"type":"facet","id":"repository_ssim","attributes":{"label":"Repository","items":[{"attributes":{"label":"Alexandria Library","value":"Alexandria Library","hits":367},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Brepository%5D%5B%5D=Alexandria+Library\u0026view=list"}}]},"links":{"self":"https://search.arvasarchive.org/catalog/facet/repository_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"type":"facet","id":"collection_ssim","attributes":{"label":"Collection","items":[{"attributes":{"label":"Potomac Yard Collection (MS050)","value":"Potomac Yard Collection (MS050)","hits":367},"links":{"remove":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}}]},"links":{"self":"https://search.arvasarchive.org/catalog/facet/collection_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"type":"facet","id":"date_range_isim","attributes":{"label":"Date range","items":[{"attributes":{"label":"1927","value":"1927","hits":3},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1927\u0026view=list"}},{"attributes":{"label":"1928","value":"1928","hits":7},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1928\u0026view=list"}},{"attributes":{"label":"1929","value":"1929","hits":9},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1929\u0026view=list"}},{"attributes":{"label":"1930","value":"1930","hits":2},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1930\u0026view=list"}},{"attributes":{"label":"1931","value":"1931","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1931\u0026view=list"}},{"attributes":{"label":"1932","value":"1932","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1932\u0026view=list"}},{"attributes":{"label":"1933","value":"1933","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1933\u0026view=list"}},{"attributes":{"label":"1934","value":"1934","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1934\u0026view=list"}},{"attributes":{"label":"1935","value":"1935","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1935\u0026view=list"}},{"attributes":{"label":"1936","value":"1936","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1936\u0026view=list"}},{"attributes":{"label":"1937","value":"1937","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bdate_range%5D%5B%5D=1937\u0026view=list"}}]},"links":{"self":"https://search.arvasarchive.org/catalog/facet/date_range_isim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"type":"facet","id":"creator_ssim","attributes":{"label":"Creator","items":[{"attributes":{"label":"Potomac Yard (1906-1989)","value":"Potomac Yard (1906-1989)","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bcreators%5D%5B%5D=Potomac+Yard+%281906-1989%29\u0026view=list"}}]},"links":{"self":"https://search.arvasarchive.org/catalog/facet/creator_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"type":"facet","id":"names_ssim","attributes":{"label":"Names","items":[{"attributes":{"label":"Local History and Special Collections Branch, Alexandria Library","value":"Local History and Special Collections Branch, Alexandria Library","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bnames%5D%5B%5D=Local+History+and+Special+Collections+Branch%2C+Alexandria+Library\u0026view=list"}},{"attributes":{"label":"Potomac Yard (1906-1989)","value":"Potomac Yard (1906-1989)","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bnames%5D%5B%5D=Potomac+Yard+%281906-1989%29\u0026view=list"}}]},"links":{"self":"https://search.arvasarchive.org/catalog/facet/names_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"type":"facet","id":"geogname_ssim","attributes":{"label":"Places","items":[{"attributes":{"label":"Potomac Yard (Va.)","value":"Potomac Yard (Va.)","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Bplaces%5D%5B%5D=Potomac+Yard+%28Va.%29\u0026view=list"}}]},"links":{"self":"https://search.arvasarchive.org/catalog/facet/geogname_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"type":"facet","id":"access_subjects_ssim","attributes":{"label":"Subjects","items":[{"attributes":{"label":"Blueprints.","value":"Blueprints.","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Baccess_subjects%5D%5B%5D=Blueprints.\u0026f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"attributes":{"label":"Railroad trains.","value":"Railroad trains.","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Baccess_subjects%5D%5B%5D=Railroad+trains.\u0026f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"attributes":{"label":"Railroad yards -- Virginia","value":"Railroad yards -- Virginia","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Baccess_subjects%5D%5B%5D=Railroad+yards+--+Virginia\u0026f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"attributes":{"label":"Railroads -- Virginia","value":"Railroads -- Virginia","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Baccess_subjects%5D%5B%5D=Railroads+--+Virginia\u0026f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"attributes":{"label":"rail yards","value":"rail yards","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Baccess_subjects%5D%5B%5D=rail+yards\u0026f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}}]},"links":{"self":"https://search.arvasarchive.org/catalog/facet/access_subjects_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"type":"facet","id":"level_ssim","attributes":{"label":"Level","items":[{"attributes":{"label":"Collection","value":"Collection","hits":1},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Blevel%5D%5B%5D=Collection\u0026view=list"}},{"attributes":{"label":"File","value":"File","hits":309},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Blevel%5D%5B%5D=File\u0026view=list"}},{"attributes":{"label":"Item","value":"Item","hits":50},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Blevel%5D%5B%5D=Item\u0026view=list"}},{"attributes":{"label":"Series","value":"Series","hits":5},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Blevel%5D%5B%5D=Series\u0026view=list"}},{"attributes":{"label":"Subseries","value":"Subseries","hits":2},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026f%5Blevel%5D%5B%5D=Subseries\u0026view=list"}}]},"links":{"self":"https://search.arvasarchive.org/catalog/facet/level_ssim.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026view=list"}},{"type":"search_field","id":"all_fields","attributes":{"label":"All Fields"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026search_field=all_fields\u0026view=list"}},{"type":"search_field","id":"keyword","attributes":{"label":"Keyword"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026search_field=keyword\u0026view=list"}},{"type":"search_field","id":"name","attributes":{"label":"Name"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026search_field=name\u0026view=list"}},{"type":"search_field","id":"place","attributes":{"label":"Place"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026search_field=place\u0026view=list"}},{"type":"search_field","id":"subject","attributes":{"label":"Subject"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026search_field=subject\u0026view=list"}},{"type":"search_field","id":"title","attributes":{"label":"Title"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026search_field=title\u0026view=list"}},{"type":"search_field","id":"container","attributes":{"label":"Container"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026search_field=container\u0026view=list"}},{"type":"search_field","id":"identifier","attributes":{"label":"Identifier"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026search_field=identifier\u0026view=list"}},{"type":"sort","id":"score desc, title_sort asc","attributes":{"label":"relevance"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026sort=score+desc%2C+title_sort+asc\u0026view=list"}},{"type":"sort","id":"date_sort asc","attributes":{"label":"date (ascending)"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026sort=date_sort+asc\u0026view=list"}},{"type":"sort","id":"date_sort desc","attributes":{"label":"date (descending)"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026sort=date_sort+desc\u0026view=list"}},{"type":"sort","id":"creator_sort asc","attributes":{"label":"creator (A-Z)"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026sort=creator_sort+asc\u0026view=list"}},{"type":"sort","id":"creator_sort desc","attributes":{"label":"creator (Z-A)"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026sort=creator_sort+desc\u0026view=list"}},{"type":"sort","id":"title_sort asc","attributes":{"label":"title (A-Z)"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026sort=title_sort+asc\u0026view=list"}},{"type":"sort","id":"title_sort desc","attributes":{"label":"title (Z-A)"},"links":{"self":"https://search.arvasarchive.org/catalog.json?f%5Bcollection%5D%5B%5D=Potomac+Yard+Collection+%28MS050%29\u0026page=14\u0026sort=title_sort+desc\u0026view=list"}}]}