Subject
- Fire pot cooking13
- Powder magazines13
- Warehouses13
- Catholic church buildings11
- United States--History--Civil War, 1861-186511
- Earthmoving machinery10
- Flagpoles10
- Fort Sumter National Monument (Agency : U.S.)8
- Indians of North America8
- Park rangers8
- Parking lots8
- Buildings6
- Construction workers6
- Jetties6
- Trees6
- Truck-mounted cranes6
- Flags5
- Food5
- Gates5
- Military museums5