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Creator
- United States. War Department 72
- 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
- Fisk, W. L. (Walter Leslie), 1855- 1
- Harts, W. W. (William Wright), 1866-1961 1
- Jones, William A. (William Albert), 1841-1914 1
- United States. Army. Office of the Chief of Engineers 1
Topic
- River engineering 75
- United States. Congress--Records and correspondence 73
- Northwest, Pacific 60
- Rivers 33
- Bodies of water 32
- River surveys 31
- Harbors 23
- River channels 23
- Rapids 17
- West (U.S.) 15
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 75
- Columbia River >> Douglas County >> Washington >> United States 56
- Oregon >> United States 38
- Washington >> United States 30
- Snake River >> Franklin County >> Washington >> United States 24
- California >> United States 13
- Coos Bay >> Coos County >> Oregon >> United States 13
- San Francisco Bay >> San Mateo County >> California >> United States 7
- Clearwater River >> Nez Perce County >> Idaho >> United States 6
- Cowlitz River >> Cowlitz County >> Washington >> United States 6
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Language
- English 75
Type
- Text 73
- Collection 2