Spatial Coverage
- Caribou National Forest1
- Caribou National Forest.1
- Chaffee County1
- Challis National Forest (Idaho)1
- Challis National Forest.1
- Chelbacheb Islands (Palau)1
- Chequamegon National Forest (Wis.)1
- China.1
- Chippewa National Forest (Minn.)1
- Chukchi Sea1
- Chukchi Sea.1
- Clear Creek County1
- Clear Creek County.1
- Coeur d'Alene National Forest.1
- Colorado River Watershed (Colo.-Mexico)1
- Colorado.1
- Columbia (Conn.)1
- Colville Indian Reservation1
- Colville Indian Reservation.1
- Connecticut1
