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Creator
- United States. War Department 23
- Powell, Charles Francis, 1843-1907 3
- Gibson, Charles R. (Charles Robert), 1870-1931 2
- Gillespie, G. L. 2
- Kinney, M. J. H. 2
- Michler, N. (Nathaniel), 1827-1881 2
- Smith, Katherine Louise 2
- United States. Department of the Interior 2
- Wilson, John M. (John Moulder), 1837-1919 2
- United States. Army. Corps of Engineers. North Pacific Division 1
Topic
- Northwest, Pacific 32
- United States. Congress--Records and correspondence 25
- River engineering 24
- Bodies of water 22
- Rivers 21
- River surveys 15
- River channels 12
- Canals 10
- Harbors 9
- Photography 7
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Region
- Oregon >> United States 32
- Willamette River >> Multnomah County >> Oregon >> United States 32
- Columbia River >> Douglas County >> Washington >> United States 26
- Washington >> United States 19
- Snake River >> Franklin County >> Washington >> United States 15
- Columbia River >> Clatsop County >> Oregon >> United States 5
- Coos Bay >> Coos County >> Oregon >> United States 5
- California >> United States 2
- Chehalis River >> Grays Harbor County >> Washington >> United States 2
- Cowlitz River >> Cowlitz County >> Washington >> United States 2
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Type
- Text 28
- Collection 3
- Image 1