Region
Oregon
7
Arizona
4
Southwestern States
3
Idaho
2
New Mexico
2
United States
2
Black Hills (S.D. and Wyo.)
1
Black Hills National Forest (S.D. and Wyo.)
1
Blue Mountains (Or. and Wash.)
1
Boise
1
California, Northern
1
Colorado
1
Malheur National Forest
1
Methow Valley
1
Montana
1
Ochoco National Forest
1
Pringle Falls Experimental Forest
1
Pringle Falls Experimental Forest (Or.)
1
Washington (State)
1