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Topic
- Signs and signboards 103
- Croplands 12
- Agricultural experiment stations 8
- College buildings 6
- Exhibitions 6
- Irrigation 6
- Beans 5
- Squaw Butte Range and Livestock Experiment Station (Burns, Or.) 5
- Administration Building 3
- Cattle 3
- Drainage 3
- Kerr Administration Building 3
- Mulching 3
- Potatoes 3
- Earth Day 2
- Fertilizers 2
- Franklin D. Roosevelt Lake (Wash.) 2
- Future Farmers of America 2
- Lakes 2
- Legumes 2
