Spatial Coverage
- Colombia1
- Colorado River Watershed (Colo.-Mexico)1
- Conejos County1
- Converse County1
- Copperbelt Province (Zambia)1
- Cordillera Administrative Region1
- Cordillera Administrative Region (Philippines)1
- Cordillera Administrative Region.1
- CorteĢs (Honduras : Dept.)1
- Costilla County1
- Crescent Harbor (Wash.)1
- Crook County1
- Crowley County1
- Culpeper Basin (Va. and Md.)1
- Czechoslovakia1
- Dall Island (Alaska)1
- Dalmatia (Croatia)1
- Dampier (W.A.)1
- Daniels County1
- Davao Gulf (Philippines)1
