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Creator
- Lorraine, Madison Johnson 37
- United States. War Department 26
- Freeman, Lewis R. (Lewis Ransome), 1878- 6
- Powell, Charles Francis, 1843-1907 4
- Wilson, John M. (John Moulder), 1837-1919 3
- Gillespie, G. L. 2
- United States. Congress. House 2
- Jones, William A. (William Albert), 1841-1914 1
- Michler, N. (Nathaniel), 1827-1881 1
Topic
- Rapids 137
- Rivers 54
- Explorers 39
- Bodies of water 34
- Waterfalls 33
- Northwest, Pacific 27
- River engineering 26
- United States. Congress--Records and correspondence 26
- Discovery and exploration 25
- Canada, Western 24
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Region
- Columbia River >> Clatsop County >> Oregon >> United States 39
- Columbia River >> Douglas County >> Washington >> United States 32
- Willamette River >> Multnomah County >> Oregon >> United States 17
- Oregon >> United States 16
- The Dalles >> Wasco County >> Oregon >> United States 15
- Washington >> United States 15
- Bridge of the Gods >> Hood River County >> Oregon >> United States 13
- Klickitat River >> Klickitat County >> Washington >> United States 9
- Snake River >> Franklin County >> Washington >> United States 9
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 8
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Rights
- No Copyright - United States 137
Type
- Text 68
- Image 67
- Collection 2
Format
- image/tiff 65
- image/jpeg 57
- application/pdf 13
- application/xml 2