Cloud Peak Energy Inc. (NYSE:CLD), one of the largest U.S. coal producers and the only pure-play Powder River Basin (PRB) coal company, today announced that Colin Marshall, Cloud Peak Energys President and Chief Executive Officer, will speak at the Cowen and Company 5th Annual Global Metals, Mining & Materials Conference at 2:10 p.m. (ET) on Wednesday, November 12, 2014 in New York, New York. Mr. Marshalls
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