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- Agriculture 306
- Oregon State University. Extension Service 38
- Orchards 31
- Harvesting 30
- Cattle 26
- Pastures 26
- Hops 20
- Portraits, Group 20
- Sheep 19
- Agricultural laborers 14
- Dairy farming 13
- College buildings 12
- Livestock 12
- Railroad cars 12
- Packing-houses 11
- Wheat 11
- Agricultural implements 10
- Teaching demonstrations 10
- 4-H clubs 8
- Apples 8