Browsing Colorado Agricultural Experiment Station Records by Subject "American Society of Agronomy"
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No. 561: Top row: Kezer, Ward, Robertson, Summers, unknown, Droge, Pingrey, Schafer, Reeves, Swanson, Pittman, Gross, Brandon, Leonard, Engle. Middle row: Sjogren, Deming, Weakley, Jensen, Martin, unknown, McKee, Schafer, ...