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Creator
- United States. Army. Office of the Chief of Engineers 25
- United States. War Department 22
- Powell, Charles Francis, 1843-1907 5
- Gillespie, G. L. 2
- Michler, N. (Nathaniel), 1827-1881 2
- Wilson, John M. (John Moulder), 1837-1919 2
- Doerksen, Harvey R. 1
- Jones, William A. (William Albert), 1841-1914 1
- United States. Army. Corps of Engineers 1
- United States. Army. Corps of Engineers. North Pacific Division 1
Topic
- Bodies of water 51
- Rivers 49
- Northwest, Pacific 42
- West (U.S.) 34
- Water resources development 26
- Canals--Design and construction--Costs 25
- Dams--Design and construction 25
- Transportation 25
- River engineering 23
- United States. Congress--Records and correspondence 23
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Region
- Snake River >> Franklin County >> Washington >> United States 51
- Willamette River >> Multnomah County >> Oregon >> United States 49
- Cowlitz River >> Cowlitz County >> Washington >> United States 29
- Columbia River >> Douglas County >> Washington >> United States 26
- Columbia River >> Clatsop County >> Oregon >> United States 25
- Oregon >> United States 25
- Portland >> Clackamas County >> Oregon >> United States 25
- Washington >> United States 25
- Chehalis River >> Grays Harbor County >> Washington >> United States 24
- Skagit River >> Skagit County >> Washington >> United States 24
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Type
- Text 48
- Collection 3