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Creator
- United States. War Department 30
- United States. Army. Corps of Engineers 6
- Powell, Charles Francis, 1843-1907 5
- Elliott, T. C. (Thompson Coit), 1862-1943 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
- United States. Commodity Stabilization Service 2
- United States. Congress. House 2
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Topic
- Rivers 108
- Bodies of water 98
- Northwest, Pacific 91
- Photography 46
- River engineering 36
- Riparian areas 32
- River surveys 32
- United States. Congress--Records and correspondence 32
- River channels 23
- Mountains 22
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Region
- Columbia River >> Douglas County >> Washington >> United States 108
- Washington >> United States 80
- Oregon >> United States 68
- Willamette River >> Multnomah County >> Oregon >> United States 34
- Snake River >> Franklin County >> Washington >> United States 24
- California >> United States 13
- Coos Bay >> Coos County >> Oregon >> United States 13
- Idaho >> United States 9
- San Francisco Bay >> San Mateo County >> California >> United States 7
- Clearwater River >> Nez Perce County >> Idaho >> United States 6
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Type
- Image 58
- Text 42
- Collection 8
Format
- image/tiff 37
- application/pdf 36
- image/jpeg 27
- application/xml 8
Collection
- Western Waters Digital Library 108
- Angelus Studio photographs, 1880s-1940s 23