Spatial Coverage
- Calgary (Alta.)1
- California, Southern1
- Calvert County1
- Canada.1
- Caroline County1
- Caroline County (Md.)1
- Cecil County (Md.)1
- Central City1
- Central City (Colo.)1
- Central City.1
- Charles County (Md.)1
- Cherokee County1
- Cherokee County (Kan.)1
- Chibougamau Lake Region1
- Chibougamau Lake Region.1
- China1
- Churchill County (Nev.)1
- Clayton County (Iowa)1
- Clear Creek County1
- Clear Creek County (Colo.)1
