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Creator
- Lorraine, Madison Johnson 203
- United States. Army. Office of the Chief of Engineers 30
- United States. War Department 30
- Oregon Touring Bureau 7
- Powell, Charles Francis, 1843-1907 5
- Elliott, T. C. (Thompson Coit), 1862-1943 3
- Prentiss, A. M. (Arthur M.) 3
- Smith, Katherine Louise 3
- Wilson, John M. (John Moulder), 1837-1919 3
- Ballou, William Hosea, 1857-1937 2
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Topic
- Rivers 625
- Bodies of water 270
- Photography 200
- Explorers 182
- Northwest, Pacific 181
- Discovery and exploration 139
- West (U.S.) 99
- Canada, Western 91
- Umatilla Indian Reservation (Or.) 75
- Riparian areas 67
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 311
- Oregon >> United States 124
- Columbia River >> Douglas County >> Washington >> United States 92
- Washington >> United States 66
- Umatilla Indian Reservation >> Umatilla County >> Oregon >> United States 63
- Willamette River >> Multnomah County >> Oregon >> United States 63
- Snake River >> Franklin County >> Washington >> United States 49
- Cowlitz River >> Cowlitz County >> Washington >> United States 30
- Chehalis River >> Grays Harbor County >> Washington >> United States 27
- Portland >> Clackamas County >> Oregon >> United States 25
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License
- Creative Commons: Public Domain Mark 1.0 625
Type
- Image 307
- Text 296
- Collection 22
Format
- image/tiff 293
- image/jpeg 273
- application/pdf 37
- application/xml 22