Region
Alabama
3
Alaska
4
Aldo Leopold Memorial Reserve (Wis.)
1
Apostle Islands National Lakeshore
1
Apostle Islands National Lakeshore (Wis.)
1
Arizona
3
Australia
3
Black Fox Spring (Murfreesboro, Tenn.)
1
Broward County
1
Cajibío (Municipio)
2
California
21
Calument Region (Ill. and Ind.)
1
Calumet Region (Ill. and Ind.)
1
Canada
1
Carrifran Glen
1
Carrifran Glen (Scotland)
1
Chesapeake Bay (Md. and Va.)
10
Chesapeake Bay Region (Md. and Va.)
1
Chesapeake Bay Watershed
2
Chicago Metropolitan Area
1
China
2
Coal Creek
1
Coal Creek (Alaska)
1
Collier County
1
Collier County (Fla.)
1
Colombia
3
Colorado Plateau
1
Colorado River (Colo.-Mexico)
1
Columbia River Watershed
2
Costa Rica
1
Crow Indian Reservation
1
Crow Indian Reservation (Mont.)
1
Dauphin Island
3
Dauphin Island (Ala.)
1
East (U.S.)
3
Edisto Beach
1
Edisto Beach (S.C.)
1
Escambia County
1
Escambia County (Fla.)
1
Eureka County
2
Everglades
39
Everglades (Fla.)
30
Feather River Valley
1
Feather River Valley (Calif.)
1
Florida
64
Florida Bay
1
Florida Keys National Marine Sanctuary
2
Florida Keys National Marine Sanctuary (Fla.)
1
Fort Saint Philip
1
Fort Saint Philip (La.)
1
more ...