Spatial Coverage
- Calgary.1
- California National Historic Trail1
- California National Historic Trail.1
- Cameron County (Tex.)1
- Canada, Western.1
- Canadian River1
- Caribbean Area.1
- Catskill Forest Preserve (N.Y.)1
- Catskill Forest Preserve.1
- Champlain, Lake1
- Charlestown (Boston, Mass.)1
- Charlestown.1
- Chesapeake Bay Region (Md. and Va.)1
- Chesapeake Bay Region.1
- Cheyenne River Indian Reservation (S.D.)1
- Cheyenne River Indian Reservation.1
- Chicago (Ill.)1
- Chicago.1
- Chickahominy River (Va.)1
- China1
