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Creator
- United States. Army. Office of the Chief of Engineers 48
- Fisk, W. L. (Walter Leslie), 1855- 45
- Harts, W. W. (William Wright), 1866-1961 45
Topic
- Railroad engineering 48
- West (U.S.) 48
- River engineering 47
- Bodies of water 46
- Northwest, Pacific 46
- United States--Appropriations and expenditures 2
- Canals--Design and construction--Costs 1
Region
- Columbia River >> Clatsop County >> Oregon >> United States 47
- 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 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
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License
- Creative Commons: Public Domain Mark 1.0 48
Type
- Text 48
Format
- image/jpeg 48