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Creator
- United States. War Department 44
- United States. Department of the Interior 8
- United States. Bonneville Power Administration 7
- Powell, Charles Francis, 1843-1907 5
- Michler, N. (Nathaniel), 1827-1881 2
- Shaw, Emma 2
- Wilson, John M. (John Moulder), 1837-1919 2
- Doerksen, Harvey R. 1
- Gillespie, G. L. 1
- Jones, William A. (William Albert), 1841-1914 1
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Region
- Washington >> United States 81
- Columbia River >> Douglas County >> Washington >> United States 61
- Oregon >> United States 57
- Willamette River >> Multnomah County >> Oregon >> United States 27
- Snake River >> Franklin County >> Washington >> United States 24
- Coos Bay >> Coos County >> Oregon >> United States 12
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- Idaho >> United States 9
- Clearwater River >> Nez Perce County >> Idaho >> United States 6
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Language
- English 81
Type
- Text 61
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Institution
- University of Oregon 81