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- Agriculture 3
- Farmers 2
- Mules 2
- Oregon State University. Extension Service 2
- Universities and colleges--Faculty 2
- Wheat 2
- Barns 1
- Besse, Ralph S. (Ralph Stephen), 1887- 1
- Carriages and carts 1
- Combines (Agricultural machinery) 1
- Horticulture 1
- Mountains 1
- Oregon State University. Agricultural Experiment Station 1
- Passes (Landforms) 1
- Schools 1
