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Creator
- Crop and Soil Science 21
- Henderson, Robert W. (Robert Wesley), 1914-2006 4
Topic
- Agricultural machinery 21
- Agriculture 21
- Graminaceae 21
- Harvesting 21
- Oregon State Agricultural College. Experiment Station 5
- Oregon Agricultural College. Experiment Station 3
- Hay 2
- Tall fescue 2
- Tractors 2
- Combines (Agricultural machinery) 1
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Work Type
- photographic prints 21
- photographs 21
Format
- image/tiff 21