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Creator
- Michler, N. (Nathaniel), 1827-1881 2
- United States. War Department 2
Topic
- Bodies of water 2
- Northwest, Pacific 2
- River channels 2
- River engineering 2
- River surveys 2
- Rivers 2
- United States. Congress--Records and correspondence 2
- Harbors 1
- Rapids 1
Region
- Columbia River >> Douglas County >> Washington >> United States 2
- Oregon >> United States 2
- Snake River >> Franklin County >> Washington >> United States 2
- Washington >> United States 2
- Willamette River >> Multnomah County >> Oregon >> United States 2