Subjects
- Historic buildings -- Virginia -- Rockbridge County1
- Historic buildings -- West Virginia1
- Historic buildings—Virginia—Lexington1
- Historic preservation1
- Historic preservation 1
- Historic sites -- Conservation and restoration1
- Industrial archaeology1
- Industrial archaeology -- Australia1
- Industrial archaeology -- England1
- Industrial archaeology -- United States1
- Inland navigation1
- Iron1
- Lexington (Va.)—Buildings, structures, etc.1
- Locks (Hydraulic engineering)1
- Milling machinery1