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Creator
- Henderson, Robert W. (Robert Wesley), 1914-2006 39
Topic
- Barley 39
- Croplands 16
- College students 5
- Harvesting machinery 4
- Universities and colleges--Faculty 4
- Oats 3
- Barley yellow dwarf viruses 2
- Graduate students 2
- Grain 2
- Population 2
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Region
- Corvallis >> Benton County >> Oregon >> United States 11
- Umatilla County >> Oregon >> United States 9
- Salem >> Marion County >> Oregon >> United States 8
- Klamath Falls >> Klamath County >> Oregon >> United States 3
- Oregon >> United States 3
- Pendleton >> Umatilla County >> Oregon >> United States 3
- Marion County >> Oregon >> United States 1
Format
- image/tiff 39
