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