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Chart used in Mr. C. F. Kelly's paper Methods of Drying Grain on the Farm.
Citation
Kelly, C. F.. 1938. “Chart used in Mr. C. F. Kelly's paper Methods of Drying Grain on the Farm..” Special Collections, USDA National Agricultural Library. Accessed March 17, 2025, https://www.nal.usda.gov/exhibits/speccoll/items/show/7426.