Spatial Coverage
- Carroll County (Va.)1
- Catoosa County (Ga.)1
- Central Region (Malawi)1
- Charlotte County (Va.)1
- Chattooga County (Ga.)1
- Chesterfield County (Va.)1
- Cheyenne County (Colo.)1
- Cheyenne and Arapaho Reservation (Okla.)1
- Chicago1
- Churchill County (Nev.)1
- Cimarron (Kan.)1
- Cimarron River1
- Clark County (Kan.)1
- Clay County (Ala.)1
- Coffee County (Tenn.)1
- Coleman County (Tex.)1
- Comanche County (Kan.)1
- Concordia (Kan.)1
- Connecticut.1
- Coosa County (Ala.)1
