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Creator
- United States. Army. Office of the Chief of Engineers 2
Topic
- Railroad engineering 2
- West (U.S.) 2
- Bodies of water 1
- Canals--Design and construction--Costs 1
- Northwest, Pacific 1
- River engineering 1
- United States--Appropriations and expenditures 1
Region
- Columbia River >> Clatsop County >> Oregon >> United States 2
- Oregon >> United States 2
- Washington >> United States 2
- British Columbia >> Canada 1
- Celilo Canal >> Wasco County >> Oregon >> United States 1
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 1
- Deschutes River >> Sherman County >> Oregon >> United States 1
- Lewiston >> Nez Perce County >> Idaho >> United States 1
- Pacific Ocean >> Earth 1
- Riparia >> Whitman County >> Washington >> United States 1
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Rights
- No Copyright - United States 2
License
- Creative Commons: Public Domain Mark 1.0 2