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May 19, 2013

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** FILE ** This undated image provided the U.S. Fish and Wildlife Service show a wild sage grouse. New research suggests the booming coal-bed methane development of Montana and Wyoming may be driving sage grouse away from the mineral-rich Powder River Basin, according to a report released June 13, 2006. (AP Photo/U.S. Fish and Wildlife Service, Gary Kramer, File)

AP

** FILE ** This undated image provided the U.S. Fish and Wildlife Service show a wild sage grouse. New research suggests the booming coal-bed methane development of Montana and Wyoming may be driving sage grouse away from the mineral-rich Powder River Basin, according to a report released June 13, 2006. (AP Photo/U.S. Fish and Wildlife Service, Gary Kramer, File)