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Topic
- Bodies of water 10
- Rapids 10
- River channels 10
- River engineering 10
- River surveys 10
- Rivers 10
- United States. Congress--Records and correspondence 10
- Canals 9
- United States--Armed Forces--Organization--Charts, diagrams, etc 9
- Northwest, Pacific 8
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Region
- Columbia River >> Douglas County >> Washington >> United States 10
- Willamette River >> Multnomah County >> Oregon >> United States 10
- Oregon >> United States 9
- Snake River >> Franklin County >> Washington >> United States 9
- Washington >> United States 9
- Coos Bay >> Coos County >> Oregon >> United States 4
- Yamhill River >> Yamhill County >> Oregon >> United States 2
- Clearwater River >> Nez Perce County >> Idaho >> United States 1
- Coquille River >> Coos County >> Oregon >> United States 1
- Cowlitz River >> Cowlitz County >> Washington >> United States 1
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License
- Creative Commons: Public Domain Mark 1.0 10
Format
- application/pdf 10
Collection
- Western Waters Digital Library 10