Region
United States
14
Yellowstone River
14
Alaska
11
Montana
10
Susitna River
10
Yellowstone River Watershed
10
Susitna River (Alaska)
7
Yellowstone River Valley
4
British Columbia
2
Nicola River
1
Nicola River Watershed
1
Sooke River
1
Sooke River Watershed
1
Talkeetna Mountains quadrangle (Alaska)
1
Talkeetna quadrangle (Alaska)
1
Terror River
1
Tongue River
1
Tongue River (Wyo. and Mont.)
1