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Creator
- United States. War Department 52
- Powell, Charles Francis, 1843-1907 5
- Gillespie, G. L. 2
- Michler, N. (Nathaniel), 1827-1881 2
- United States. Army. Office of the Chief of Engineers 2
- United States. Congress. House 2
- Wilson, John M. (John Moulder), 1837-1919 2
- Jones, William A. (William Albert), 1841-1914 1
- United States. Department of the Interior 1
Topic
- United States. Congress--Records and correspondence 56
- River engineering 55
- Northwest, Pacific 40
- Bodies of water 31
- Rivers 31
- River surveys 30
- Harbors 22
- River channels 22
- Canals 16
- West (U.S.) 15
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Region
- Oregon >> United States 56
- Columbia River >> Douglas County >> Washington >> United States 48
- Willamette River >> Multnomah County >> Oregon >> United States 40
- Washington >> United States 38
- Snake River >> Franklin County >> Washington >> United States 24
- California >> United States 13
- Coos Bay >> Coos County >> Oregon >> United States 12
- Idaho >> United States 7
- San Francisco Bay >> San Mateo County >> California >> United States 7
- Clearwater River >> Nez Perce County >> Idaho >> United States 6
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Type
- Text 54
- Collection 2
Collection
- Western Waters Digital Library 56