Public domain
Production. Copper. Copper ore being discharged through a portable feeder into the fine ore bins at the Arthur, Utah copper concentrator of the Utah Copper Company
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineProduction. Copper. Copper ore being discharged through a portable feeder into the fine ore bins at the Arthur, Utah copper concentrator of the Utah Copper Company. 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
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
A conveyor belt which carried fine copper ore and discharges it into bins at one of the concentrators of the Utah Copper Company at Magna and Arthur in Utah
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Production. Copper. A rotary car dumper drops the ore into the grizzlies, the larger sizes of ore sliding into the gyratory crusher at the Magna mill of the Utah Copper Company
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