Crow Coal

FILE - This May 9, 2008 file photo shows production at the Westmoreland Coal Mine northeast of Hardin, Mont. Signal Peak Energy, a mining company, plans to start exploratory work this spring on an estimated 400 million tons of coal beneath Montana’s Crow Indian Reservation, adding to a spate of recent interest in the region’s huge coal reserves despite flagging domestic demand for the fuel. (AP Photo/Billings Gazette, David Grubbs, File)