Region
United States
6
Canada
3
North America
3
West (U.S.)
3
Assiniboine River (Sask. and Man.)
2
Manitoba
2
Montana (États-Unis)
2
Northwest, Canadian
2
Saskatchewan River (Sask. and Man.)
2
South America
2
Alaska
1
Allen River (Alaska)
1
Amazon River Valley
1
Andes
1
Brazil
1
California
1
Colorado River
1
Dall River (Alaska)
1
Kanuti River (Alaska)
1
Kentucky
1
Kobuk River (Alaska)
1
Massachusetts
1
Montana
1
Morocco
1
Nebraska
1
Oregon
1
Peru
1
Rocky Mountains
1
Saint Helena
1
Southwest, New
1
Switzerland
1
Yellowstone National Park
1
États-Unis
1