Public domain
Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Wear and tear on equipment in the mines is tremendous and the war makes replacement nearly impossible, so machinery is being constantly re-built in the machine shop which is located within the mine many thousands
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Credit linePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Wear and tear on equipment in the mines is tremendous and the war makes replacement nearly impossible, so machin. 1942-01-01. Collier, John, Jr., Collier, John. 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. Wear and tear on equipment in the mines is tremendous and the war makes replacement nearly impossible, so machinery is being constantly re-built in the machine shop which is located within the mine many thousands
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