Region
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Charlotte
2
Charlotte (N.C.)
1
Charlotte County (Fla.)
1
Chatham County
1
Chatham County (Ga.)
1
Chattanooga
2
Chattanooga (Tenn.)
1
Cherokee County (Okla.)
2
Chesterfield County (Va.)
1
Chicago
27
Chicago (Ill.)
21
China
21
Cincinnati
1
Cincinnati (Ohio)
1
Clarke County
2
Clarke County (Ga.)
2
Clarksdale (Miss.)
1
Clarksville (Tenn.)
1
Cleveland
1
Cleveland (Ohio)
2
Cocoa (Fla.)
1
Colchester
1
Colchester (England)
1
Colombia
1
Colonial Heights (Va.)
1
Colorado
6
Colorado Springs
1
Columbia
1
Columbia River Watershed
1
Connecticut
11
Cook County
2
Cook County (Ill.)
10
Counseling of
1
Cuba
2
Cumberland County (Me.)
1
Cuyahoga Valley National Park
1
Cuyahoga Valley National Park (Ohio)
1
Córdoba (Argentina)
1
Dallas
3
Dallas County (Ala.)
1
Davidson County
25
Davidson County (Tenn.)
33
Delaware
3
Delaware River Valley (N.Y.-Del. and N.J.)
1
Denver
1
Denver (Colo.)
1
Detroit
4
Detroit (Mich.)
2
Dinwiddie County (Va.)
1
Dorchester (Boston, Mass.)
2
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