list of longwall mining panies in kentucky,The Dirty Truth About Coal - Sierra ClubUnfortunately, the list is much longer. As this . longwall mining, leaves behind empty underground spaces which can collapse . One of the most devastating types of coal mining is known . pany, Massey Energy, which owns the impoundment; it is responsible for . in Martin County, KY breached, killing fish and aquatic life.list of longwall mining panies in kentucky,utah mining 2017 - UtahCover photo: Historical ore chute of the Pratt manganese mine in the Drum Mountains mining district, .. partment of the Interior's 2018 critical mineral list.
list of longwall mining panies in kentucky