Region
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Cheyenne River Indian Reservation
4
Cheyenne River Indian Reservation (S.D.)
4
Cheyenne River Sioux Tribe of the Cheyenne River Reservation, South Dakota
3
Chickasaw Nation, Oklahoma
1
Chuska Mountains (Ariz. and N.M.)
1
Châteauguay Region (Québec)
1
Cibola County
1
Cleveland County
1
Cochrane
1
Coconino County
1
Cocopah Indian Reservation
1
Cocopah Indian Reservation (Ariz.)
1
Coeur d'Alene
1
Colorado
6
Colorado River Indian Reservation (Ariz. and Calif.)
2
Colorado River Watershed (Colo.-Mexico)
1
Columbia Plateau
1
Columbia Reservation
1
Columbia Reservation (Wash.)
1
Columbia River Watershed
1
Colville Indian Reservation
7
Colville Indian Reservation (Wash.)
8
Confederated Salish & Kootenai Tribes of the Flathead Reservation, Montana
1
Confederated Tribes of Siletz Indians of Oregon
1
Confederated Tribes of the Colville Reservation
1
Confederated Tribes of the Grand Ronde Community of Oregon
7
Confederated Tribes of the Siletz Reservation, Oregon
1
Confederated Tribes of the Umatilla Indian Reservation
2
Confederated Tribes of the Warm Springs Reservation of Oregon
2
Connecticut
3
Costa Rica
1
Crow Creek Indian Reservation (S.D.)
5
Crow Creek Sioux Tribe of the Crow Creek Reservation, South Dakota
1
Crow Indian Reservation
7
Crow Indian Reservation (Mont.)
7
Cut Bank Region
2
Cut Bank Region (Mont.)
2
Daniels County
1
Deschutes River (Or.)
1
Deschutes River Watershed
1
Detroit
3
Devils Lake Region (Lake)
1
Devils Tower National Monument (Wyo.)
2
Eastern Band of Cherokee Indians
1
Eastern Shoshone Tribe of the Wind River Reservation, Wyoming
1
English River Indian Reserve No. 21 (Ont.)
1
Flathead Indian Reservation
9
Flathead Indian Reservation (Mont.)
10
Flint
1
Florida
3
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