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Creator
- Lorraine, Madison Johnson 203
- United States. Army. Office of the Chief of Engineers 27
- United States. War Department 27
- United States. Army. Corps of Engineers 13
- Oregon Touring Bureau 7
- Powell, Charles Francis, 1843-1907 5
- United States. Agricultural Stabilization and Conservation Service 4
- Elliott, T. C. (Thompson Coit), 1862-1943 3
- Prentiss, A. M. (Arthur M.) 3
- Smith, Katherine Louise 3
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Topic
- Rivers 668
- Bodies of water 294
- Northwest, Pacific 205
- Photography 200
- Explorers 182
- Discovery and exploration 139
- West (U.S.) 94
- Canada, Western 91
- Umatilla Indian Reservation (Or.) 77
- Mountains 72
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 325
- Oregon >> United States 149
- Columbia River >> Douglas County >> Washington >> United States 101
- Washington >> United States 77
- Umatilla Indian Reservation >> Umatilla County >> Oregon >> United States 64
- Willamette River >> Multnomah County >> Oregon >> United States 57
- Snake River >> Franklin County >> Washington >> United States 46
- Cowlitz River >> Cowlitz County >> Washington >> United States 28
- Chehalis River >> Grays Harbor County >> Washington >> United States 25
- Portland >> Clackamas County >> Oregon >> United States 23
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Rights
- No Copyright - United States 668
Type
- Image 356
- Text 293
- Collection 19
Format
- image/tiff 314
- image/jpeg 301
- application/pdf 34
- application/xml 19
Institution
- University of Oregon 668