Creator
- Blackley family1
- Blackley, Charles Phillips, Sr., 1909-19991
- Blackley, Chuck1
- Bowen & Co.1
- Cameron, Lynn1
- Chesapeake Western Railway1
- Clifford, Alan F., 1919-19951
- Clifford, Shirley Mittleman, 1923-19971
- Clifford-Wysor family1
- Cowgill, Clinton Harriman, 1890-19751
- Dickerman, C. Robert (Charles Robert), 1936-20181
- Dickerman, Eleanor F.1
- Dickerman, Ernest M. (Ernest Miller), 1910-19981
- Filson, John, ca. 1747-17881
- Geological Survey (U.S.)1