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- Exhibitions 111
- Fur 6
- Oregon State University. Agricultural Experiment Station 6
- Agricultural experiment stations 5
- Agriculture 4
- Coins 4
- Hazelnuts 4
- Mice 4
- Oregon State University 4
- Oregon State University. Cooperative Extension Service 4
- 4-H clubs 3
- Beef industry 3
- Pears 3
- Agricultural Economics 2
- Crop Science 2
- Grain 2
- Honeybee 2
- Oregon Museum of Science and Industry 2
- Oregon 2
- School of Agriculture 2