Historical Images of Oregon State University
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Topic
- Oregon Agricultural College. Experiment Station 32
- Plants, Cultivated--Field experiments 27
- Sulfur fertilizers 27
- Potassium fertilizers 6
- Nitrogen fertilizers 5
- Oregon State Agricultural College. Agricultural Experiment Station 4
- Hens 3
- Knowlton, Frank L. (Frank Lester), 1894-1940 3
- Poultry 3
- Universities and colleges--Faculty 3
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Region
- Oregon >> United States 39
Format
- image/tiff 39
Decade
- 1920-1929 39