Roy Fly ranch near Sarpy Basin. Close to the surface of the 25,000 square mile area, known as the Powder River Basin..., 06/1973.

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Date taken 1973-06
Date uploaded 2012-04-10
Tags usnationalarchives, documerica, environmentalprotectionagency, boydnorton, royflyranch, coal, montana, powderriverbasin, sarpybasin, nara:arcid=549152, unitedstates, ranch
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