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Creator
- United States. War Department 134
- Powell, Charles Francis, 1843-1907 3
- Wilson, John M. (John Moulder), 1837-1919 3
- Gillespie, G. L. 2
- Michler, N. (Nathaniel), 1827-1881 2
Topic
- Northwest, Pacific 134
- United States. Congress--Records and correspondence 133
- River engineering 117
- Bridges--Design and construction 21
- Rapids 21
- Harbors 20
- Bodies of water 16
- Rivers 16
- River surveys 15
- Canals 14
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 74
- Columbia River >> Douglas County >> Washington >> United States 65
- Oregon >> United States 38
- Washington >> United States 35
- Snake River >> Franklin County >> Washington >> United States 20
- Coos Bay >> Coos County >> Oregon >> United States 6
- Cathlamet Bay >> Clatsop County >> Oregon >> United States 5
- Chehalis River >> Grays Harbor County >> Washington >> United States 3
- Cowlitz River >> Cowlitz County >> Washington >> United States 3
- Nehalem River >> Tillamook County >> Oregon >> United States 2
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Type
- Text 132
- Collection 2
Format
- image/jpeg 116
- application/pdf 16
- application/xml 2