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[Untitled photo, possibly related to: Great Falls, Montana. Furnace refinery of Anaconda Copper Mining Company. As molten…
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[Untitled photo, possibly related to: 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] by Russell Lee

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[Untitled photo, possibly related to: 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] by Russell Lee

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