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Creator
- Lorraine, Madison Johnson 224
- United States. Army. Office of the Chief of Engineers 190
- Fisk, W. L. (Walter Leslie), 1855- 75
- Harts, W. W. (William Wright), 1866-1961 75
- United States. War Department 8
- 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
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Topic
- Rivers 321
- Bodies of water 272
- Northwest, Pacific 218
- Explorers 192
- Photography 178
- West (U.S.) 177
- River engineering 161
- Discovery and exploration 151
- Canada, Western 106
- United States--Appropriations and expenditures 76
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 544
- Willamette River >> Multnomah County >> Oregon >> United States 134
- Oregon >> United States 100
- Snake River >> British Columbia >> Canada 86
- Yamhill River >> Yamhill County >> Oregon >> United States 78
- Cascade Locks >> Hood River County >> Oregon >> United States 76
- Portland >> Clackamas County >> Oregon >> United States 52
- Cowlitz River >> Cowlitz County >> Washington >> United States 26
- Chehalis River >> Grays Harbor County >> Washington >> United States 25
- Snake River >> Franklin County >> Washington >> United States 24
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Type
- Text 468
- Image 63
- Collection 13
Format
- image/jpeg 491
- image/tiff 40
- application/xml 13
Collection
- Western Waters Digital Library 544
- Angelus Studio photographs, 1880s-1940s 11
Institution
- University of Oregon 544