Emerald coal mine in Greene County to close next year Aug 8, 2014 2:09:08 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by logpedia on Aug 8, 2014 2:09:08 GMT -5 Alpha Natural Resources plans to close its Emerald Mine in Greene County next year as the Virginia-based coal company deals with low prices and mounting losses.DETAILS