Region
Alaska
18
Susitna River Watershed
9
Susitna River
6
Susitna River Region
4
Susitna River Valley
4
Cook Inlet
2
North America
2
Interior Alaska
1
Isle Royale National Park
1
Isle Royale National Park (Mich.)
1
Mackenzie River Valley
1
Mackenzie Valley Pipeline
1
Mackenzie Valley Pipeline (N.W.T.)
1
Michigan
1
Northwest Territories
1
Saskatchewan
1
Susitna River (Alaska)
1
West Indies
1