Pacific Northwest Stream Survey
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 307
- Linn County >> Oregon >> United States 89
- Lane County >> Oregon >> United States 79
- Marion County >> Oregon >> United States 67
- Santiam River >> Marion County >> Oregon >> United States 50
- Clackamas County >> Oregon >> United States 42
- Clackamas River >> Clackamas County >> Oregon >> United States 30
- Yamhill County >> Oregon >> United States 23
- Yamhill River >> Yamhill County >> Oregon >> United States 23
- McKenzie River >> Lane County >> Oregon >> United States 22
- Calapooia River >> Linn County >> Oregon >> United States 17
- Tualatin River >> Clackamas County >> Oregon >> United States 16
- South Yamhill River >> Yamhill County >> Oregon >> United States 13
- Washington County >> Oregon >> United States 13
- Willamina Creek >> Yamhill County >> Oregon >> United States 13
- Middle Santiam River >> Linn County >> Oregon >> United States 10
- Little Silver Creek Lake >> Josephine County >> Oregon >> United States 9
- Molalla River >> Clackamas County >> Oregon >> United States 9
- Gales Creek >> Washington County >> Oregon >> United States 7
- River Mill Dam >> Clackamas County >> Oregon >> United States 7