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Photographer
- Henderson, Robert W. (Robert Wesley), 1914-2006 74
Topic
- Burning of land 74
- Agricultural machinery 32
- Croplands 8
- Agricultural laborers 4
- Oregon State University 3
- Soil science--Experiments 3
- Corvallis (Or.) 2
- Smoke 2
- Thermistors 1
- Universities and colleges--Faculty 1
Format
- image/tiff 74