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

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Photo credit: © PF-(usna) / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., agency, archives, basin, boyd, boydnorton, coal, documerica, environmental, environmentalprotectionagency, fly, historic, history, montana, nara:arcid=549154, national, norton, powder, powderriverbasin, protection, ranch, river, roy, royflyranch, sarpy, sarpybasin, usa, usnationalarchives