Spatial Coverage
- Cape Cod Bay (Mass.)1
- Cape Cod Bay.1
- Cascade Range1
- Chad1
- Charles County1
- Charles River1
- Chesapeake Bay (Md. and Va.)1
- Chesapeake and Ohio Canal National Historical Park1
- Chihuahua (State)1
- Chile.1
- Chugach National Forest1
- Cleveland National Forest (Calif.)1
- Connecticut1
- Damascus (Syria)1
- Damascus.1
- Dushanbe (Tajikistan)1
- Dushanbe.1
- Eagletail Mountains Wilderness (Ariz.)1
- Ecuador1
- Ecuador.1
