Spatial Coverage
- Cabarrus County1
- Calgary Region1
- Canada1
- Canada, Appalachian Orogen.1
- Canal Zone1
- Canal Zones.1
- Cape of Good Hope1
- Cape of Good Hope.1
- Carlisle County1
- Central America1
- China1
- Climate1
- Colorado.1
- Conn Lake Region1
- Connecticut River Valley1
- Cotopaxi Mountain1
- Crook County1
- Custer County1
- Cydonia (Mars)1
- Death Valley National Park (Calif. and Nev.)1
