Region
California
47
Montana
44
Arizona
37
New Mexico
34
Oregon
34
Washington (State)
34
Colorado
31
Nevada
30
Idaho
27
Wyoming
27
Utah
26
United States
11
North Dakota
10
California Desert National Conservation Area (Calif.)
8
British Columbia
4
Coconino County (Ariz.)
4
Elko County
4
Elko County (Nev.)
4
Garfield County
4
Garfield County (Utah)
4
San Juan County
4
Yavapai County (Ariz.)
4
Benton County
3
Coconino County
3
Custer County (Idaho)
3
Douglas County
3
Hidalgo County (N.M.)
3
Klickitat County (Wash.)
3
Maricopa County (Ariz.)
3
Rio Blanco County (Colo.)
3
Riverside County
3
Riverside County (Calif.)
3
San Juan County (Utah)
3
Valley County
3
Yakima County
3
Yakima County (Wash.)
3
Yavapai County
3
Ada County
2
Ada County (Idaho)
2
Apache County (Ariz.)
2
Boise County
2
Boise County (Idaho)
2
Bonneville County
2
Bonneville County (Idaho)
2
Box Elder County
2
Box Elder County (Utah)
2
Butte County
2
Canyon County (Idaho)
2
Carbon County
2
Carbon County (Utah)
2
more ...