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Creator
- United States. Army. Office of the Chief of Engineers 11
- Fisk, W. L. (Walter Leslie), 1855- 1
- Harts, W. W. (William Wright), 1866-1961 1
Topic
- United States--Appropriations and expenditures 11
- River engineering 10
- River surveys 5
- West (U.S.) 5
- Transportation 2
- Bodies of water 1
- Bridges--Design and construction 1
- Dams--Design and construction 1
- Locks (Hydraulic engineering) 1
- Northwest, Pacific 1
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Region
- Yamhill River >> Yamhill County >> Oregon >> United States 11
- Willamette River >> Multnomah County >> Oregon >> United States 9
- Portland >> Clackamas County >> Oregon >> United States 6
- Oregon City >> Clackamas County >> Oregon >> United States 5
- Columbia River >> Clatsop County >> Oregon >> United States 4
- Clackamas Rapids >> Clackamas County >> Oregon >> United States 3
- Corvallis >> Benton County >> Oregon >> United States 3
- Eugene >> Lane County >> Oregon >> United States 2
- Albany >> Linn County >> Oregon >> United States 1
- Astoria >> Clatsop County >> Oregon >> United States 1
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License
- Creative Commons: Public Domain Mark 1.0 11
Format
- image/jpeg 11
Institution
- University of Oregon 11