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Creator
- The Daily Astorian 6
- Oregon City Enterprise Courier (Oregon City, Or.) 2
- Oregon Journal (Firm) 2
- Oregonian (Firm) 2
- Albany Democrat-Herald 1
- Statesman Journal 1
- The Newberg Graphic 1
- The Register-Guard 1
Topic
- Dams 6
- Rivers--Oregon 6
- Flood control 5
- Fishes--Conservation 3
- Lectures and lecturing 2
- Salmon 2
- Irrigation 1
- Pacific College (Newberg, Or.) 1
- Poaching 1
- Swans 1
Region
- Willamette River >> Multnomah County >> Oregon >> United States 6
- McKenzie River >> Lane County >> Oregon >> United States 2
- Santiam River >> Marion County >> Oregon >> United States 2
- Columbia River >> Clatsop County >> Oregon >> United States 1
