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- Agricultural experiment stations 8
- Boards of directors 6
- Croplands 6
- Universities and colleges--Faculty 3
- Agronomic Crop Science 2
- Pumphrey, F. V. (Floyd Vance) 2
- Blue Mountain Community College 1
- Columbia Basin Agricultural Research Center 1
- Farms 1
- Foothills 1
- Kolding, Mathias F. 1
- Pendleton (Or.) 1
