Region
Alaska
31
Susitna River
27
Watana Reservoir (Alaska)
7
Susitna River (Alaska)
4
Susitna River Valley
4
Watana Reservoir
4
Eklutna Lake
3
Eklutna Lake (Alaska)
3
Susitna River Watershed
3
North America
2
Alps
1
Blue Mesa Reservoir
1
British Columbia
1
California
1
Camanche Reservoir
1
Camanche Reservoir (Calif.)
1
Cold regions
1
Colorado
1
Columbia River
1
Mokelumne River
1
Revelstoke Region
1
Russia (Federation)
1
Skagit River
1
Skagit River (B.C. and Wash.)
1
Vilyui River
1
Washington (State)
1