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Creator
- United States. War Department 43
- Powell, Charles Francis, 1843-1907 5
- Wilson, John M. (John Moulder), 1837-1919 3
- Gillespie, G. L. 2
- Michler, N. (Nathaniel), 1827-1881 2
- United States. Congress. House 2
- Jones, William A. (William Albert), 1841-1914 1
Topic
- River surveys 43
- United States. Congress--Records and correspondence 41
- River engineering 39
- Bodies of water 28
- Rivers 28
- River channels 22
- Harbors 21
- Northwest, Pacific 15
- United States--Appropriations and expenditures 14
- West (U.S.) 14
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 37
- Columbia River >> Douglas County >> Washington >> United States 29
- Washington >> United States 29
- Oregon >> United States 28
- Snake River >> Franklin County >> Washington >> United States 22
- Coos Bay >> Coos County >> Oregon >> United States 13
- California >> United States 11
- Portland >> Clackamas County >> Oregon >> United States 10
- Columbia River >> Clatsop County >> Oregon >> United States 9
- San Francisco >> San Francisco County >> California >> United States 7
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Type
- Text 41
- Collection 2