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Region
- Columbia River >> Clatsop County >> Oregon >> United States 5
- Bonneville Dam >> Multnomah County >> Oregon >> United States 1
- Columbia River >> Douglas County >> Washington >> United States 1
- Deschutes River >> Sherman County >> Oregon >> United States 1
- Idaho >> United States 1
- Lemhi River >> Lemhi County >> Idaho >> United States 1
- Oregon >> United States 1
- Snake River >> Franklin County >> Washington >> United States 1
- Snake River >> Teton County >> Wyoming >> United States 1
- Umatilla River >> Umatilla County >> Oregon >> United States 1
- Washington >> United States 1
- Yakima River >> Benton County >> Washington >> United States 1
