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Topic
- Agriculture 7
- Oregon State University. Extension Service 6
- Universities and colleges--Faculty 3
- Farm ownership 2
- Farm tenancy--Economic aspects 2
- Ranches--Oregon 2
- 4-H clubs 1
- Agricultural machinery 1
- Animal feeding 1
- Cattle 1
- Cattle--Marking 1
- Coyote--Behavior 1
- Graminaceae 1
- Hay 1
- Horses 1
- Jackman, E. R. (Edwin Russell), 1894-1967 1
- Lichens 1
- Mountains--Oregon 1
- Ranches 1
- Stores, Retail 1
