Region
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Carter County
1
Cascade County
3
Catron County
1
Charles M. Russell National Wildlife Refuge
4
Charles M. Russell National Wildlife Refuge (Mont.)
4
Charleston
1
Chesapeake Bay
1
Chesapeake Bay (Md. and Va.)
1
Cheyenne River Sioux Tribe of the Cheyenne River Reservation
1
Chile
2
Chippewa-Cree Indians of the Rocky Boy's Reservation, Montana
2
Chuquicamata
2
Cibola National Wildlife Refuge
1
Clark Fork (Mont. and Idaho)
4
Clark Fork Quadrangle
1
Clark Fork Watershed (Mont. and Idaho)
2
Coeur d'Alene
1
Coeur d'Alene Lake
1
Coeur d'Alene Mining District
1
Colorado
9
Columbia River
3
Columbia River Watershed
2
Confederated Salish & Kootenai Tribes of the Flathead Reservation, Montana
1
Contra Costa County
1
Coram Experimental Forest (Mont.)
1
Corwin Springs
1
Corwin Springs (Mont.)
1
Crazy Mountains
1
Crook County
1
Crow Indian Reservation
7
Crow Indian Reservation (Mont.)
6
Crow Tribe of Montana
6
Curry County
1
Custer Battlefield National Monument
1
Custer County
2
Custer National Forest (Mont. and S.D.)
3
Cut Bank
2
Cut Bank Region
2
Cut Bank Region (Mont.)
2
Cut Bank, Montana
1
Cypress Hills Region (Alta. and Sask.)
1
Daniels County
2
Dawson County
4
Deer Lodge
2
Deer Lodge (Mont.)
2
Deer Lodge County
1
Deer Lodge Valley
3
Deer Lodge Valley (Mont.)
4
Deerlodge National Forest (Mont.)
1
Dillon Region
1
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