BRISTOL, Va., Feb. 21, 2014 /PRNewswire/ --
Alpha Natural Resources Inc. (NYSE: ANR), a leading U.S. coal producer, announced that members of Alpha's management team plan to participate in several investor conferences, including: the BMO Capital Markets 23rd Global Metals & Mining Conference on Monday, February 24, 2014; the Simmons & Company International 14th Annual Energy Conference on Thursday, February 27
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