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Topic
- United States. Congress--Records and correspondence 4
- River engineering 3
- Bridges--Design and construction 2
- Northwest, Pacific 2
- River surveys 2
- Transportation 2
- United States--Appropriations and expenditures 2
- Canals 1
- Exports 1
- Harbors 1
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 4
- Astoria >> Clatsop County >> Oregon >> United States 2
- Cathlamet Bay >> Clatsop County >> Oregon >> United States 2
- Chehalis River >> Grays Harbor County >> Washington >> United States 2
- Columbia River >> Clatsop County >> Oregon >> United States 2
- Cowlitz River >> Cowlitz County >> Washington >> United States 2
- Oregon >> United States 2
- Pacific Ocean >> Earth 2
- Portland >> Clackamas County >> Oregon >> United States 2
- Priest Rapids >> Kittitas County >> Washington >> United States 2
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Format
- application/xml 4