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Creator
- Oregon Journal (Firm) 7
- Oregonian (Firm) 5
- Albany Democrat-Herald 1
- Mazamas (Portland, Or.) 1
- Muskegon Chronicle 1
- Portland Sunday Welcome (Portland, Or.) 1
- University of California, Berkeley 1
Topic
- Oregon Wildlife Federation 7
- Lectures and lecturing 6
- Conservation of natural resources 2
- Rivers--Oregon 2
- Conservation--Law and legislation 1
- Dams 1
- Fisheries 1
- Fishes--Conservation 1
- Mazamas (Portland, Or.) 1
- Salmon 1
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Decade
- 1930-1939 7
