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Citation
Carey, A. E. et al.. 1973. “Pesticides in Soil: Organochlorine Pesticide Residues in Soils and Crops of the Corn Belt Region, United States - 1970.” Special Collections, USDA National Agricultural Library. Accessed August 17, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/4756.