Public domain
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
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Credit lineAnaconda 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 remove. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.