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Subject
- Congaree National Park (S.C.)35
- Important bird areas35
- Old growth forests35
- Wilderness areas35
- Trees21
- Insects19
- Historic sites12
- Fort Moultrie (S.C.)10
- United States--History--Civil War, 1861-1865--Battlefields10
- Conservation and restoration9
- Artillery5
- Larvae4
- Buildings3
- Swamps3
- Visitors' centers3
- Engineering and construction2
- Fort Sumter National Monument (Agency : U.S.)2
- Parks--South Carolina2
- Submarines (Ships)2
- United States--History--Civil War, 1861-18652