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Topic
- United States. Congress--Records and correspondence 126
- Northwest, Pacific 117
- River engineering 103
- Bridges--Design and construction 18
- Harbors 13
- Rapids 13
- Jetties 6
- Riparian areas 5
- Canals 4
- River surveys 4
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 59
- Columbia River >> Douglas County >> Washington >> United States 49
- Oregon >> United States 25
- Washington >> United States 22
- Snake River >> Franklin County >> Washington >> United States 7
- Cathlamet Bay >> Clatsop County >> Oregon >> United States 6
- Chehalis River >> Grays Harbor County >> Washington >> United States 3
- Columbia River >> Clatsop County >> Oregon >> United States 3
- Cowlitz River >> Cowlitz County >> Washington >> United States 3
- Astoria >> Clatsop County >> Oregon >> United States 1
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Type
- Text 123
- Collection 3
Format
- image/jpeg 123
- application/xml 3
Decade
- 1890-1899 126