Public domain
Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Transportation dispatcher giving orders to an outgoing coal "trip" in front of the dispatcher's office in the mine
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Credit linePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Transportation dispatcher giving orders to an outgoing coal "trip" in front of the dispatcher's office in the mi. 1942-01-01. Collier, John, Collier, John, Jr.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. The tipple is the surface end of the transportation system of the mine. Here a dispatcher releases a loaded car into the rotary dump which will empty it into a waiting railroad car below