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Creator
- United States. Army. Office of the Chief of Engineers 391
- Freeman, Lewis R. (Lewis Ransome), 1878- 229
- Lorraine, Madison Johnson 225
- United States. War Department 143
- Duniway, Abigail Scott, 1834-1915 102
- Fisk, W. L. (Walter Leslie), 1855- 75
- Harts, W. W. (William Wright), 1866-1961 75
- United States. Bonneville Power Administration 30
- United States. Department of the Interior 30
- Oregon Touring Bureau 27
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Author
- Jones, William A. (William Albert), 1841-1914 21
- Mendell, George H. (George Henry), 1831-1902 2
- Parke, John G. 2
- Ainsworth, J. C. (John Commingers), 1822-1893 1
- Baker, Newton Diehl, 1871-1937 1
- Beach, Lansing H. (Lansing Hoskins), 1860-1945 1
- Burr, Edward, 1859-1952 1
- Garrison, Lindley M. (Lindley Miller), 1864-1932 1
Topic
- Explorers 431
- Discovery and exploration 380
- Northwest, Pacific 309
- River engineering 288
- Rivers 259
- Bodies of water 212
- West (U.S.) 194
- Government publications 186
- Photography 160
- United States. Congress--Records and correspondence 138
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 467
- Columbia River >> Douglas County >> Washington >> United States 315
- Willamette River >> Multnomah County >> Oregon >> United States 207
- Oregon >> United States 100
- Yamhill River >> Yamhill County >> Oregon >> United States 89
- Snake River >> British Columbia >> Canada 86
- Cascade Locks >> Hood River County >> Oregon >> United States 77
- Portland >> Clackamas County >> Oregon >> United States 76
- Washington >> United States 55
- Cowlitz River >> Cowlitz County >> Washington >> United States 35
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License
- Creative Commons: Public Domain Mark 1.0 1332
Language
- English 346
- French, Old (842-ca.1400) 107
Type
- Text 1332
Format
- image/jpeg 1332
