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Creator
- The Daily Astorian 5
- Oregon City Enterprise Courier (Oregon City, Or.) 2
- Oregon Journal (Firm) 2
- Albany Democrat-Herald 1
- Oregonian (Firm) 1
- The Newberg Graphic 1
- The Register-Guard 1
Topic
- Dams 5
- Flood control 5
- Rivers--Oregon 5
- Fishes--Conservation 3
- Salmon 2
- Irrigation 1
- Lectures and lecturing 1
- Pacific College (Newberg, Or.) 1
Type
- Text 5