Geography
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Carbondale
1 results
Carolina Beach (N.C.)
1 results
Carrabelle (Fla.)
1 results
Cayuga Lake (N.Y.)
1 results
Charleston (S.C.)
2 results
Chartiers Creek (Pa.)
1 results
Chattanooga
2 results
Chesapeake Bay (Md. and Va.)
1 results
Chesapeake Bay Watershed
1 results
Chester (Calif.)
1 results
Chester (Ill.)
1 results
Chicago
3 results
Chicopee River (Mass.)
1 results
Chicot, Lake (Ark.)
1 results
Choctawhatchee Bay (Fla.)
1 results
Cincinnati
3 results
Clear Creek (Tex.)
1 results
Colombia
1 results
Columbia River
5 results
Connecticut
14 results
Connecticut River
1 results
Conway
1 results
Cook Inlet (Alaska)
1 results
Coos Bay (Or.)
1 results
Cross Village (Mich.)
1 results
Cuba
1 results
Dahlonega
1 results
Dana Point Harbor (Calif.)
1 results
Davenport (Iowa)
2 results
Dayton
5 results
Delaware
2 results
Derby (Conn.)
1 results
DuBois (Pa.)
1 results
ESTADOS UNIDOS
1 results
East Asia
1 results
East Stroudsburg (Pa.)
1 results
Eel River (Calif.)
1 results
Europe
3 results
Excelsior Springs (Mo.)
1 results
Exira (Iowa)
1 results
Fall River (Mass.)
2 results
Falmouth (Mass.)
1 results
Feather River (Calif.)
1 results
Fenwick Island (Del.)
1 results
Findlay (Ohio)
1 results
Florida
28 results
Floridan Aquifer
1 results
Folly Beach (S.C.)
1 results
Foreign countries
2 results
Forestville (Mich.)
1 results
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