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Creator
- United States. Army. Office of the Chief of Engineers 2
Region
- Celilo Canal >> Wasco County >> Oregon >> United States 2
- Columbia River >> Clatsop County >> Oregon >> United States 2
- Deschutes River >> Sherman County >> Oregon >> United States 1
- Lewiston >> Nez Perce County >> Idaho >> United States 1
- Oregon >> United States 1
- Portland >> Clackamas County >> Oregon >> United States 1
- Snake River >> British Columbia >> Canada 1
- The Dalles >> Wasco County >> Oregon >> United States 1
- Washington >> United States 1