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Creator
- Henderson, Robert W. (Robert Wesley), 1914-2006 25
Topic
- Irrigation 25
- Agricultural exhibitions 6
- Signs and signboards 6
- Beans 4
- Boersma, L. 2
- Crop and Soil Science 2
- Fertilizers 2
- Legumes 2
- Potatoes 2
- Universities and colleges--Faculty 2
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Format
- image/tiff 25