Region
Wyoming
Colorado
4
Owl Creek Watershed (Hot Springs County)
3
Green River Formation
2
Wind River Indian Reservation
2
Yampa River Watershed
2
Albany County
1
Bear Lake (Utah and Idaho)
1
Bear Lodge Mountains
1
Bighorn Basin (Mont. and Wyo.)
1
Black Hills (S.D. and Wyo.)
1
Campbell County
1
Evanston
1
Fremont County
1
Great Salt Lake
1
Green River Watershed (Wyo.-Utah)
1
Jackson
1
Laramie County
1
Montana
1
Natrona County
1
Nebraska
1
Owen, Lake (Wis.)
1
Owl Creek Watershed (Hot Springs County, Wyo.)
1
Powder River, Middle Fork
1
Teton County
1
Utah
1
Washakie County
1
Yampa River
1