Region
United States
66
États-Unis
53
Southern States
8
États-Unis (Sud)
6
Colorado
5
Montana
4
Oregon
3
Vermont
3
Wyoming
3
Alaska
2
Bridger National Forest
2
Bridger National Forest (Wyo.)
2
California
2
Columbia River Watershed
2
Columbia, Bassin de la
2
États du Pacifique (États-Unis)
2
Green Mountain National Forest
2
Green Mountain National Forest (Vt.)
2
Idaho
2
New England
2
Northwest, Pacific
2
Nouvelle-Angleterre
2
Pacific States
2
Teton National Forest
2
Teton National Forest (Wyo.)
2
Uinta National Forest
2
Uinta National Forest (Utah)
2
Utah
2
Washington (État)
2
Washington (State)
2
Appalaches (Sud)
1
Appalachian Region, Southern
1
Arapaho National Forest
1
Arapaho National Forest (Col.)
1
Arapaho National Forest (Colo.)
1
Arizona
1
Beaver Creek Watershed (Yavapai County)
1
Beaver Creek Watershed (Yavapai County, Ariz.)
1
Bitterroot National Forest
1
Bitterroot National Forest (Mont. and Idaho)
1
Bitterroot National Forest (Mont. et Idaho)
1
British Columbia
1
Californie
1
Caroline du Nord
1
Chugach National Forest
1
Chugach National Forest (Alaska)
1
Colombie-Britannique
1
Colville National Forest
1
Colville National Forest (Wash.)
1
États-Unis (Nord-Est)
1
more ...