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Topic
- River engineering 2
- River surveys 2
- United States--Appropriations and expenditures 2
Region
- Eugene >> Lane County >> Oregon >> United States 2
- Portland >> Clackamas County >> Oregon >> United States 2
- Willamette River >> Multnomah County >> Oregon >> United States 2
- Cathlamet Bay >> Clatsop County >> Oregon >> United States 1
- Columbia River >> Clatsop County >> Oregon >> United States 1
- Yamhill River >> Yamhill County >> Oregon >> United States 1
Institution
- University of Oregon 2