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Topic
- United States. Congress--Records and correspondence 118
- Northwest, Pacific 114
- River engineering 97
- Bridges--Design and construction 17
- Harbors 13
- Rapids 13
- Jetties 5
- Riparian areas 5
- Canals 4
- Exports 2
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 58
- Columbia River >> Douglas County >> Washington >> United States 46
- Oregon >> United States 22
- Washington >> United States 20
- Snake River >> Franklin County >> Washington >> United States 7
- Cathlamet Bay >> Clatsop County >> Oregon >> United States 5
- Chehalis River >> Grays Harbor County >> Washington >> United States 2
- Cowlitz River >> Cowlitz County >> Washington >> United States 2
Language
- English 118
Type
- Text 116
- Collection 2
Format
- image/jpeg 116
- application/xml 2
Decade
- 1890-1899 118