Spatial Coverage
- Charlotte Region1
- Churchill Mountain Region (Wash.)1
- Clark County1
- Clark County (Nev.)1
- Clearwater National Forest (Idaho)1
- Clearwater National Forest.1
- Cochise County.1
- Coeur d'Alene National Forest (Idaho)1
- Coeur d'Alene National Forest.1
- Collier County (Fla.)1
- Colombia1
- Colorado.1
- Connecticut River1
- Connecticut.1
- Cornwall (Ont.)1
- Cortland County1
- Cortland County (N.Y.)1
- Crescent City1
- Crescent City (Calif.)1
- Culpeper Basin1
