Limit your search
Photographer
- Henderson, Robert W. (Robert Wesley), 1914-2006 38
Topic
- Barley 38
- Croplands 15
- College students 5
- Harvesting machinery 4
- Oats 3
- Universities and colleges--Faculty 3
- Barley yellow dwarf viruses 2
- Graduate students 2
- Grain 2
- Population 2
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License
- Creative Commons: Attribution-NoDerivatives 4.0 International 38
Format
- image/tiff 38
