This Dec. 12, 2012 photo a lone oil rig sits on the plains south of the Blackfeet Indian reservation in northwestern Montana. Glacier National Park officials are concerned about the eff

 

              This Dec. 12, 2012 photo a lone oil rig sits on the plains south of the Blackfeet Indian reservation in northwestern Montana. Glacier National Park officials are concerned about the eff
This Dec. 12, 2012 photo a lone oil rig sits on the plains south of the Blackfeet Indian reservation in northwestern Montana. Glacier National Park officials are concerned about the effects of oil and gas development, and are asking for an in-depth study on the environmental impacts to the park and the reservation. Blackfeet tribal officials say they are complying with all requirements before drilling and they bristle at any suggestion they can't develop their resources safely. (AP Photo/Matt Volz).