Peabody Coal Company strip mine, south of Colstrip. The coal fields of the Powder River Region cover some 25,000 square , 06/1973

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Photo credit: © PF-(usna) / Alamy / Afripics
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Keywords: .., agency, archives, boyd, boydnorton, documerica, environmental, environmentalprotectionagency, historic, history, nara:arcid=549172, national, norton, protection, usa, usnationalarchives