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Topic
- Bodies of water 3
- River channels 3
- River engineering 3
- River surveys 3
- Rivers 3
- United States. Congress--Records and correspondence 3
- West (U.S.) 3
- Harbors 2
- Canals 1
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Region
- Clearwater River >> Nez Perce County >> Idaho >> United States 3
- Columbia River >> Douglas County >> Washington >> United States 3
- Coos Bay >> Coos County >> Oregon >> United States 3
- Cowlitz River >> Cowlitz County >> Washington >> United States 3
- Idaho >> United States 3
- Oregon >> United States 3
- Snake River >> Franklin County >> Washington >> United States 3
- Washington >> United States 3
- Willamette River >> Multnomah County >> Oregon >> United States 3
- Coquille River >> Coos County >> Oregon >> United States 2
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Format
- application/pdf 3