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Topic
- Dams 35
- Fishes--Conservation 35
- Rivers--Oregon 26
- Salmon 26
- Flood control 12
- Lectures and lecturing 10
- Water--Pollution 4
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- Inland water transportation 3
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Region
- Willamette River >> Multnomah County >> Oregon >> United States 21
- Columbia River >> Clatsop County >> Oregon >> United States 12
- Bonneville Dam >> Multnomah County >> Oregon >> United States 4
- Santiam River >> Marion County >> Oregon >> United States 3
- McKenzie River >> Lane County >> Oregon >> United States 2
- Portland >> Washington County >> Oregon >> United States 2
- Wallowa Lake >> Wallowa County >> Oregon >> United States 2
- Clackamas River >> Clackamas County >> Oregon >> United States 1
- Washington Park Arboretum >> King County >> Washington >> United States 1
Type
- Text 35
Collection
- OSU Special Collections & Archives Research Center 35
- Reuniting Finley and Bohlman 35
Institution
- Oregon State University 35