Region
United States
5
Alaska
3
Arizona
3
Idaho
3
Wrangell-Saint Elias National Park and Preserve
2
Wrangell-Saint Elias National Park and Preserve (Alaska)
2
Coeur d'Alene Lake
1
Colorado
1
Edgemont
1
Florida
1
Humboldt River Watershed
1
Nevada
1
Prescott National Forest
1
Salmon River (Idaho)
1
Salmon River, Middle Fork (Idaho)
1
South Dakota
1
Sundarbans (Bangladesh and India)
1