Spatial Coverage
- Charles M. Russell National Wildlife Refuge1
- Charles M. Russell National Wildlife Refuge (Mont.)1
- Charles M. Russell National Wildlife Refuge.1
- Cheltenham (England)1
- Cheltenham.1
- Chiricahua Mountains (Ariz.)1
- Chiricahua Mountains Region1
- Chiricahua National Monument (Ariz.)1
- Cibola Region1
- Clackamas River Valley (Or.)1
- Coconino County (Ariz.)1
- Coconino National Forest1
- Coconino National Forest (Ariz.)1
- Coeur d'Alene National Forest1
- Coeur d'Alene National Forest (Idaho)1
- Colorado.1
- Columbia River Gorge National Scenic Area (Or. and Wash.)1
- Columbia River Watershed1
- Columbia River Watershed.1
- Comanche National Grassland1
