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Topic
- River engineering 4
- Jetties 3
- Northwest, Pacific 3
- River channels 2
- United States. Congress--Records and correspondence 2
- Bridges--Design and construction 1
- Canals 1
- Engineering--Estimates 1
- Exports 1
- Harbors 1
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Region
- Oregon >> United States 4
- Columbia River >> Clatsop County >> Oregon >> United States 3
- Cathlamet Bay >> Clatsop County >> Oregon >> United States 2
- Chehalis River >> Grays Harbor County >> Washington >> United States 2
- Cowlitz River >> Cowlitz County >> Washington >> United States 2
- Washington >> United States 2
- Willamette River >> Multnomah County >> Oregon >> United States 2
- Astoria >> Clatsop County >> Oregon >> United States 1
- Bellingham Bay >> Whatcom County >> Washington >> United States 1
- Boston >> Suffolk County >> Massachusetts >> United States 1
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License
- Creative Commons: Public Domain Mark 1.0 4
Format
- application/xml 4