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Creator
- United States. War Department 2
Topic
- Northwest, Pacific 2
- United States. Congress--Records and correspondence 2
- Bridges--Design and construction 1
- Canals 1
- Exports 1
- Harbors 1
- Jetties 1
- Riparian areas 1
- River engineering 1
- River surveys 1
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 2
- Cathlamet Bay >> Clatsop County >> Oregon >> United States 1
- Chehalis River >> Grays Harbor County >> Washington >> United States 1
- Columbia River >> Douglas County >> Washington >> United States 1
- Cowlitz River >> Cowlitz County >> Washington >> United States 1
- Oregon >> United States 1
- Snake River >> Franklin County >> Washington >> United States 1
- Washington >> United States 1
Type
- Collection 2