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Creator
- United States. War Department 3
Topic
- Northwest, Pacific 3
- River engineering 3
- United States. Congress--Records and correspondence 3
- Harbors 2
- River surveys 2
- Bodies of water 1
- Canals 1
- Exports 1
- Jetties 1
- Rapids 1
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Region
- Chehalis River >> Grays Harbor County >> Washington >> United States 3
- Columbia River >> Douglas County >> Washington >> United States 3
- Oregon >> United States 2
- Snake River >> Franklin County >> Washington >> United States 2
- Washington >> United States 2
- Willamette River >> Multnomah County >> Oregon >> United States 2
- Cathlamet Bay >> Clatsop County >> Oregon >> United States 1
- Coos Bay >> Coos County >> Oregon >> United States 1
- Cowlitz River >> Cowlitz County >> Washington >> United States 1
Type
- Text 2
- Collection 1