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- Cattle 62
- Feedlots 11
- Sheep 4
- Three Sisters (Or.) 4
- Animal Science 3
- Mountains 3
- Universities and colleges--Faculty 3
- 4-H clubs 2
- Agriculture 2
- Church, D. C. 2
- Indians of North America 2
- Laboratory animals 2
- Oregon State University. Agricultural Experiment Station 2
- Pastures 2
- Squaw Butte Range and Livestock Experiment Station (Burns, Or.) 2
- Umatilla Branch Experiment Station 2
- Agriculture--Economic aspects 1
- Animal feeding 1
- Corn 1
- Croplands 1