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Region
- Chehalis River >> Grays Harbor County >> Washington >> United States 20
- Columbia River >> Clatsop County >> Oregon >> United States 20
- Cowlitz River >> Cowlitz County >> Washington >> United States 20
- Nooksack River >> Whatcom County >> Washington >> United States 20
- Portland >> Clackamas County >> Oregon >> United States 20
- Skagit River >> Skagit County >> Washington >> United States 20
- Snake River >> Franklin County >> Washington >> United States 20
- Snohomish River >> Snohomish County >> Washington >> United States 20
- Willamette River >> Multnomah County >> Oregon >> United States 20
- Astoria >> Clatsop County >> Oregon >> United States 10
- Columbia City >> Columbia County >> Oregon >> United States 10
- Nehalem Bay >> Tillamook County >> Oregon >> United States 10
- Palouse River >> Franklin County >> Washington >> United States 10
- Umpqua River >> Douglas County >> Oregon >> United States 10