Subject
- Earthmoving machinery3
- Fort Sumter National Monument (Agency : U.S.)3
- Ordnance3
- Power supply3
- Signs and signboards3
- American Revolution Bicentennial, 19762
- Barracks2
- Bastions2
- Beaches2
- Concrete2
- Construction workers2
- Doors2
- Engineering drawings2
- Grasses2
- Hammers2
- Museum exhibits2
- Navies--Officers2
- Photographs2
- Reception rooms2
- Shrubs2