Public domain
Phelps Dodge refining company, El Paso, Texas. Molten copper being poured from the refinng furnace. It is run through a bed of coke to prevent oxidation before the copper is cast into molds
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Credit linePhelps Dodge refining company, El Paso, Texas. Molten copper being poured from the refinng furnace. It is run through a bed of coke to prevent oxidation before the copper is cast into molds. 1942-01-01. Henle, Fritz. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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