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Anaconda smelter, Montana. Anaconda Copper Mining Company. Pouring copper anodes from the refining furnace; forms are previously coated with bone-ash so that the copper anode can be more easily removed after cooling by Russell Lee

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Anaconda smelter, Montana. Anaconda Copper Mining Company. Pouring copper anodes from the refining furnace; forms are previously coated with bone-ash so that the copper anode can be more easily removed after cooling by Russell Lee

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