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Topic
- Railroad engineering 46
- River engineering 46
- West (U.S.) 46
- Bodies of water 45
- Northwest, Pacific 45
- United States--Appropriations and expenditures 1
Region
- Willamette River >> Multnomah County >> Oregon >> United States 46
- Yamhill River >> Yamhill County >> Oregon >> United States 46
- Cascade Locks >> Hood River County >> Oregon >> United States 45
- Columbia River >> Clatsop County >> Oregon >> United States 45
- Snake River >> British Columbia >> Canada 45
- Clackamas Rapids >> Clackamas County >> Oregon >> United States 1
- Oregon City >> Clackamas County >> Oregon >> United States 1
- Portland >> Clackamas County >> Oregon >> United States 1
License
- Creative Commons: Public Domain Mark 1.0 46
Format
- image/jpeg 46