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Region
- Columbia River >> Douglas County >> Washington >> United States 30
- Willamette River >> Multnomah County >> Oregon >> United States 30
- Oregon >> United States 29
- Washington >> United States 28
- Snake River >> Franklin County >> Washington >> United States 22
- Coos Bay >> Coos County >> Oregon >> United States 13
- California >> United States 12
- San Francisco Bay >> San Mateo County >> California >> United States 7
- Clearwater River >> Nez Perce County >> Idaho >> United States 6
- Idaho >> United States 6
- San Diego River >> San Diego County >> California >> United States 5
- Cowlitz River >> Cowlitz County >> Washington >> United States 4
- Umpqua River >> Douglas County >> Oregon >> United States 4
- Yaquina Bay >> Lincoln County >> Oregon >> United States 4
- Yamhill River >> Yamhill County >> Oregon >> United States 3
- Coquille River >> Coos County >> Oregon >> United States 2
- Maine >> United States 2
- Nehalem River >> Tillamook County >> Oregon >> United States 2
- Penobscot River >> Hancock County >> Maine >> United States 2
- San Joaquin River >> Contra Costa County >> California >> United States 2