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Creator
- United States. Army. Office of the Chief of Engineers 49
- Fisk, W. L. (Walter Leslie), 1855- 45
- Harts, W. W. (William Wright), 1866-1961 45
Topic
- Railroad engineering 49
- River engineering 48
- West (U.S.) 48
- Bodies of water 46
- Northwest, Pacific 46
- United States--Appropriations and expenditures 3
- Canals--Design and construction--Costs 2
Region
- Columbia River >> Clatsop County >> Oregon >> United States 48
- Snake River >> British Columbia >> Canada 46
- 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
- Oregon >> United States 3
- Washington >> United States 3
- British Columbia >> Canada 2
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 2
- Pacific Ocean >> Earth 2
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Rights
- No Copyright - United States 49
Format
- image/jpeg 49
Institution
- University of Oregon 49