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- Flood control 5
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 3
- Columbia River >> Clatsop County >> Oregon >> United States 2
- Bonneville Dam >> Multnomah County >> Oregon >> United States 1
- Santiam River >> Marion County >> Oregon >> United States 1
- Sauvie Island >> Multnomah County >> Oregon >> United States 1
- Sweet Home >> Linn County >> Oregon >> United States 1
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