Region
United States
28
Colorado
11
West (U.S.)
8
California
7
North Dakota
5
Arizona
4
Billings County
4
Billings County (N.D.)
4
Caribou National Forest
4
Utah
4
Caribou-Targhee National Forest
3
Oregon
3
Coconino National Forest
2
Idaho
2
Kings Canyon National Park
2
Kings Canyon National Park (Calif.)
2
Nevada
2
Sequoia National Park
2
Sequoia National Park (Calif.)
2
Stanislaus National Forest
2
Tonto National Forest
2
Alaska
1
Apache-Sitgreaves National Forest
1
Badger Wash Watershed
1
Coconino National Forest (Ariz.)
1
Craters of the Moon National Monument
1
Craters of the Moon National Monument (Idaho)
1
Grand Canyon-Parashant National Monument
1
Grand Teton National Park
1
Great Plains
1
Missouri
1
Montana
1
New Mexico
1
Northeastern States
1
Northwest Arctic Borough
1
Rio Puerco Watershed (Rio Arriba County-Socorro County)
1
Rio Puerco Watershed (Rio Arriba County-Socorro County, N.M.)
1
San Juan County
1
Sawtooth National Forest (Idaho and Utah)
1
Silver King Creek
1
South Dakota
1
Southwestern States
1
Stanislaus National Forest (Calif.)
1
Theodore Roosevelt Lake (Ariz.)
1
Tonto National Forest (Ariz.)
1
White Pine County
1
White River National Forest
1
White River National Forest (Colo.)
1
Wyoming
1
Yampa River Watershed
1