Bingham Canyon, Utah. Utah Copper Company signalman

Bingham Canyon, Utah. Utah Copper Company signalman

Bingham Canyon, Utah. Signalman of the Utah Copper Company at its open-pit mine workings

Bingham Canyon, Utah. Signalman of the Utah Copper Company at its open-pit mine workings

Bingham Canyon, Utah. Ore trains on a trestle bridge above an open-pit mine of the Utah Copper Company

Bingham Canyon, Utah. Ore trains on a trestle bridge above an open-pit mine of the Utah Copper Company

Bingham Canyon, Utah. Drilling blast holes with a rock-drill machine in an open-pit mine operated by the Utah Copper Company

Bingham Canyon, Utah. Drilling blast holes with a rock-drill machine in an open-pit mine operated by the Utah Copper Company

Bingham Canyon, Utah. Blasting at an open-pit mine of the Utah Copper Company

Bingham Canyon, Utah. Blasting at an open-pit mine of the Utah Copper Company

Bingham Canyon, Utah. Drilling blast holes with a rock-drill machine in an open-pit mine operated by the Utah Copper Company

Bingham Canyon, Utah. Drilling blast holes with a rock-drill machine in an open-pit mine operated by the Utah Copper Company

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Life at the Utah Copper Mine, November 1942