Ian Lange, assistant professor of economics and business at Colorado School of Mines, was recently interviewed by Wyoming Public Media about a potential Westmoreland Coal Co. bankruptcy and the company's mine-mouth operations. From the story: Ian Lange, Assistant Professor and Director of the Mineral and Energy Economics Graduate Program at the Colorado School of Mines said mine-mouth operations also aren’t the easiest to sell. “Mine-mouth plants, in general, don’t have rail access. They’re there for the plants, and so if the plant’s not there, then there’s no point in the mine being there ....