Spatial Coverage
- Big Bend National Park (Tex.)1
- Big Bend National Park.1
- Big Horn County1
- Big Horn County (Mont.)1
- Bighorn Mountains (Wyo. and Mont.)1
- Boulder County1
- British Virgin Islands1
- California Desert National Conservation Area (Calif.)1
- California, Gulf of (Mexico)1
- Campbell Country1
- Canada, Appalachian Orogen.1
- Canadian Rockies (B.C. and Alta.)1
- Canadian Rockies.1
- Carbon County1
- Caribbean Area1
- Caribbean Area.1
- Caribou County1
- Caribou County.1
- Central African Republic1
- Cheshire County1
