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Production. Copper. Tapping copper matte from a blast furnace at the Garfield, Utah smelter of the American Smelting and Refining Company. This plant is producing vast quantities of copper so vital for war purposes. Sourced from the Library of Congress.

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Production. Copper. Tapping copper matte from a blast furnace at the Garfield, Utah smelter of the American Smelting and Refining Company. This plant is producing vast quantities of copper so vital for war purposes. Sourced from the Library of Congress.

More