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Topic
- Bodies of water 2
- Harbors 2
- River engineering 2
- River surveys 2
- Rivers 2
- United States. Congress--Records and correspondence 2
- Northwest, Pacific 1
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Region
- California >> United States 2
- Columbia River >> Douglas County >> Washington >> United States 2
- Oregon >> United States 2
- Sacramento River >> Contra Costa County >> California >> United States 2
- Umpqua River >> Douglas County >> Oregon >> United States 2
- Washington >> United States 2
- Willamette River >> Multnomah County >> Oregon >> United States 2
- Feather River >> Sutter >> California >> United States 1
- San Diego River >> San Diego County >> California >> United States 1
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Collection
- Western Waters Digital Library 2