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Creator
- United States. Army. Office of the Chief of Engineers 102
- Fisk, W. L. (Walter Leslie), 1855- 75
- Harts, W. W. (William Wright), 1866-1961 75
- Rosenthal, Abraham, 1870-1929 7
- United States. Army. Corps of Engineers 7
- Warren, George C., 1877- 6
- Pond, James B. (James Burton), 1889-1961 4
- Smith, Katherine Louise 4
- Gibson, Charles R. (Charles Robert), 1870-1931 3
- Kinney, M. J. H. 3
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Topic
- Northwest, Pacific 219
- Bodies of water 168
- Rivers 114
- West (U.S.) 102
- River engineering 89
- Photography 83
- Railroad engineering 46
- Riparian areas 32
- Canals--Design and construction--Costs 26
- Transportation 26
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 219
- Willamette River >> Multnomah County >> Oregon >> United States 103
- Oregon >> United States 81
- Snake River >> British Columbia >> Canada 76
- Cascade Locks >> Hood River County >> Oregon >> United States 75
- Yamhill River >> Yamhill County >> Oregon >> United States 75
- Chehalis River >> Grays Harbor County >> Washington >> United States 24
- Cowlitz River >> Cowlitz County >> Washington >> United States 23
- Portland >> Clackamas County >> Oregon >> United States 23
- Snake River >> Franklin County >> Washington >> United States 23
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Type
- Text 143
- Image 64
- Collection 12
Format
- image/jpeg 166
- image/tiff 41
- application/xml 12
Institution
- University of Oregon 219