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Creator
- United States. War Department 65
- United States. Department of the Interior 19
- United States. Bonneville Power Administration 17
- Elliott, T. C. (Thompson Coit), 1862-1943 9
- Powell, Charles Francis, 1843-1907 3
- Wilson, John M. (John Moulder), 1837-1919 3
- Gillespie, G. L. 2
- Michler, N. (Nathaniel), 1827-1881 2
- Rogers, W. A. (William A.) 2
- Shaw, Emma 2
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Topic
- Northwest, Pacific 163
- Rivers 75
- Bodies of water 71
- River engineering 70
- United States. Congress--Records and correspondence 67
- Photography 56
- Riparian areas 34
- Mountains 21
- Water-power 21
- Rapids 20
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Region
- Columbia River >> Douglas County >> Washington >> United States 163
- Washington >> United States 71
- Oregon >> United States 66
- Willamette River >> Multnomah County >> Oregon >> United States 44
- Snake River >> Franklin County >> Washington >> United States 20
- Bonneville Dam >> Multnomah County >> Oregon >> United States 7
- Coos Bay >> Coos County >> Oregon >> United States 6
- Idaho >> United States 5
- Cape Horn >> Skamania County >> Washington >> United States 3
- Chehalis River >> Grays Harbor County >> Washington >> United States 3
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License
- Creative Commons: Public Domain Mark 1.0 163
Type
- Text 107
- Image 44
- Collection 12
Format
- image/jpeg 87
- image/tiff 39
- application/pdf 25
- application/xml 12