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Subject
- Boats[remove]39
- Fort Sumter National Monument (Agency : U.S.)39
- Historic sites[remove]39
- United States--History--Civil War, 1861-186539
- Docks25
- Conservation and restoration12
- Tourism7
- Aerial surveys3
- Clippings (Books, newspapers, etc.)3
- H.L. Hunley (Submarine)2
- National Underwater and Marine Agency2
- Park rangers2
- Submarine disasters2
- Tourists2
- Underwater archaeology2
- Artillery1
- Drawing1
- Flags--United States1
- Truck-mounted cranes1