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Creator
- United States. War Department 1
Topic
- Bodies of water 1
- Harbors 1
- Rapids 1
- River engineering 1
- River surveys 1
- Rivers 1
- United States. Congress--Records and correspondence 1
- West (U.S.) 1
Region
- California >> United States 1
- Columbia River >> Douglas County >> Washington >> United States 1
- Oregon >> United States 1
- Sacramento River >> Contra Costa County >> California >> United States 1
- San Francisco Bay >> San Mateo County >> California >> United States 1
- Umpqua River >> Douglas County >> Oregon >> United States 1
- Washington >> United States 1
- Willamette River >> Multnomah County >> Oregon >> United States 1