Public domain
Great Falls, Montana. Furnace refinery of Anaconda Copper Mining Company. As molten copper is poured from the refining furnace, it is first run through a bed of coke to prevent oxidation before the copper is cast into the molds
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Credit lineGreat Falls, Montana. Furnace refinery of Anaconda Copper Mining Company. As molten copper is poured from the refining furnace, it is first run through a bed of coke to prevent oxidation before the co. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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