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Maurice C. Hall letter to Hayes B. Raffensperger (Chicago experiment station) on conducting an experiment on pigs fed garbage

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Citation

Maurice C. Hall. 1926. “Maurice C. Hall letter to Hayes B. Raffensperger (Chicago experiment station) on conducting an experiment on pigs fed garbage.” Special Collections, USDA National Agricultural Library. Accessed November 14, 2025, https://www.nal.usda.gov/exhibits/speccoll/items/show/7689.