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Region
- Bonneville Dam >> Multnomah County >> Oregon >> United States 46
- Columbia River >> Clatsop County >> Oregon >> United States 19
- Multnomah County >> Oregon >> United States 16
- Skamania County >> Washington >> United States 16
- Columbia River >> Douglas County >> Washington >> United States 10
- Oregon >> United States 7
- Grand Coulee Dam >> Okanogan County >> Washington >> United States 6
- Washington >> United States 6
- Willamette River >> Multnomah County >> Oregon >> United States 3
- Cathlamet >> Wahkiakum County >> Washington >> United States 1
- McKenzie River >> Lane County >> Oregon >> United States 1
- Santiam River >> Marion County >> Oregon >> United States 1