Anaconda Smelter Copper Refining Process Montana 1942

The Anaconda smelter in Montana operates in 1942. Workers utilize wooden poles to refine blister copper in molten furnaces at the Anaconda Copper Mining Company. The refining process involves a chemical reaction where oxygen combines with carbon, producing carbon monoxide, which enhances the purity of copper. This facility significantly contributed to the copper supply during World War II.

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