Region
Alaska
17
Kootenai River
1
Montana
3
North America
2
Skagit River
1
Skagit River (B.C. and Wash.)
1
Susitna River
7
Susitna River (Alaska)
7
Susitna River Valley
1
Susitna River Watershed
7
Susitna River Watershed (Alaska)
3
United States
7
Washington (State)
1
Yellowstone River
3
Yellowstone River Watershed
3