Public domain
Production. Copper. Fine copper ore travelling on a conveyor belt which discharges the ore into bins at one of the concentrators of the Utah Copper Company at Magna and Arthur in Utah. Vast quantities of the copper so vital to the war effort are treated here
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Credit lineProduction. Copper. Fine copper ore travelling on a conveyor belt which discharges the ore into bins at one of the concentrators of the Utah Copper Company at Magna and Arthur in Utah. Vast quantities. 1940-01-01. United States. Office Of War Information, Feininger, Andreas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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Production. Copper. Copper ore travelling on belt conveyors at one of the large copper concentrators of the Utah Copper Company. The Utah Copper Company iron detectors straddling the conveyors automatically stop the operation when tramp iron is detected in the ore