Public domain
Pittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Fire boss signing the record which shows that he has inspected all working places in his section, before the entry of the men and once after work has started
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Credit linePittsburgh, Pennsylvania (vicinity). Montour no. 4 mine of the Pittsburgh Coal Company. Fire boss signing the record which shows that he has inspected all working places in his section, before the ent. 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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