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Region
- California >> United States 13
- Columbia River >> Douglas County >> Washington >> United States 13
- Oregon >> United States 13
- Washington >> United States 13
- Willamette River >> Multnomah County >> Oregon >> United States 13
- Snake River >> Franklin County >> Washington >> United States 8
- San Francisco Bay >> San Mateo County >> California >> United States 7
- San Diego River >> San Diego County >> California >> United States 6
- Coos Bay >> Coos County >> Oregon >> United States 5
- Clearwater River >> Nez Perce County >> Idaho >> United States 3
- Idaho >> United States 3
- Umpqua River >> Douglas County >> Oregon >> United States 3
- Maine >> United States 2
- Penobscot River >> Hancock County >> Maine >> United States 2
- Sacramento River >> Contra Costa County >> California >> United States 2
- San Joaquin River >> Contra Costa County >> California >> United States 2
- Cowlitz River >> Cowlitz County >> Washington >> United States 1
- Feather River >> Sutter >> California >> United States 1
- Kennebec River >> Sagadahoc County >> Maine >> United States 1
- Saint Croix River >> Washington County >> Maine >> United States 1
