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- Agricultural laborers 56
- Agricultural machinery 26
- Picketing 19
- Strawberries 19
- Oregon State University. Agricultural Experiment Station 6
- Wood, G. B. (Gregory Burton), 1909- 6
- Burning of land 4
- Poultry farms 4
- College students 3
- Apples 2
- Windbreaks, shelterbelts, etc 2
- Beall, Gary, 1943- 1
- Corn 1
- Croplands 1
- Farmers 1
- Lilies 1
- Swenson, K. G. (Knud George), 1923- 1
- Universities and colleges--Employees 1
- Wheat 1