Public domain
Production. Copper (refining). Casting house in a large copper refining operation. Here sheets of pure copper, formed by electrolysis, are melted and cast into ingots. Large amounts of copper are produced for the war effort at the El Paso, Texas plant of Phelps-Dodge Refining Company
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Credit lineProduction. Copper (refining). Casting house in a large copper refining operation. Here sheets of pure copper, formed by electrolysis, are melted and cast into ingots. Large amounts of copper are prod. 1942-01-01. Henle, Fritz, United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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Production. Copper (refining). Casting house in a large copper refining operation. Here sheets of pure copper, formed by electrolysis, are melted and cast into ingots. Large amounts of copper are produced for the war effort at the El Paso, Texas plant of Phelps-Dodge Refining Company
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