![[Untitled photo, possibly related to: Anaconda smelter, Montana. Anaconda Copper Mining Company. Poling in the refining furnace. Wooden poles are plunged into the molten copper; there is a great evolution of gases when this is done and the express oxygen combines with the carbon of the wood and passess off as carbon monixide. This refining of blister has a stronger affinity for the impurities in the charge than it has for copper] by Russell Lee](https://images.rawpixel.com/image_200/czNmcy1wcml2YXRlL3Jhd3BpeGVsX2ltYWdlcy93ZWJzaXRlX2NvbnRlbnQvbHIvbG9jMjAxNzgzNzczMC1pbWFnZS5qcGc.jpg)
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[Untitled photo, possibly related to: Anaconda smelter, Montana. Anaconda Copper Mining Company. Poling in the refining furnace. Wooden poles are plunged into the molten copper; there is a great evolution of gases when this is done and the express oxygen combines with the carbon of the wood and passess off as carbon monixide. This refining of blister has a stronger affinity for the impurities in the charge than it has for copper] by Russell Lee
[Untitled photo, possibly related to: Anaconda smelter, Montana. Anaconda Copper Mining Company. Poling in the refining furnace. Wooden poles are plunged into the molten copper; there is a great evolution of gases when this is done and the express oxygen combines with the carbon of the wood and passess off as carbon monixide. This refining of blister has a stronger affinity for the impurities in the charge than it has for copper] by Russell Lee
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