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Creator
- United States. War Department 134
- United States. Army. Office of the Chief of Engineers 106
- Fisk, W. L. (Walter Leslie), 1855- 76
- Harts, W. W. (William Wright), 1866-1961 76
- United States. Department of the Interior 27
- United States. Bonneville Power Administration 25
- United States. Army. Corps of Engineers 15
- Elliott, T. C. (Thompson Coit), 1862-1943 9
- Rosenthal, Abraham, 1870-1929 7
- Warren, George C., 1877- 7
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Contributor
- United States. Army. Corps of Engineers 11
- American Contractor 1
- American Forestry 1
- Gibson, Robert 1
- Kinney, M. J. H. 1
- Markham, B. C. (Benjamin Clayton) 1
- Pacific Lumberman 1
- Pacific Northwest Regional Commission 1
- Symons, T. W. (Thomas William), 1849-1920 1
- United States. Western Water Policy Review Advisory Commission 1
Topic
- Northwest, Pacific 495
- Bodies of water 267
- River engineering 211
- Rivers 209
- Photography 155
- United States. Congress--Records and correspondence 135
- West (U.S.) 107
- Riparian areas 71
- Railroad engineering 47
- Mountains 46
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 220
- Oregon >> United States 188
- Willamette River >> Multnomah County >> Oregon >> United States 184
- Columbia River >> Douglas County >> Washington >> United States 176
- Washington >> United States 107
- Snake River >> British Columbia >> Canada 77
- Yamhill River >> Yamhill County >> Oregon >> United States 77
- Cascade Locks >> Hood River County >> Oregon >> United States 76
- Snake River >> Franklin County >> Washington >> United States 49
- Chehalis River >> Grays Harbor County >> Washington >> United States 29
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Rights
- No Copyright - United States 495
Type
- Text 335
- Image 132
- Collection 28
Format
- image/jpeg 353
- image/tiff 88
- application/xml 28
- application/pdf 26
Collection
- Western Waters Digital Library 495
- Angelus Studio photographs, 1880s-1940s 37