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Citation
Crecelius, Eric A., Carl J. Johnson, and George C. Hofer. 1974. “Contamination of Soils Near a Copper Smelter by Arsenic, Antimony, and Lead.” Special Collections, USDA National Agricultural Library. Accessed August 30, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/5302.