surface coal mining
Basic Information about Surface Coal Mining in Appalachia - EPAOct 6, 2016 . What is Surface Coal Mining? Environmental Impacts. Summary Diagram of the Principal Observed and Expected Effects of Mountaintop.surface coal mining,Surface Coal Mining in Appalachia | US EPASep 7, 2017 . Coal is mined in Appalachia by both surface and underground mining techniques. Surface coal mining methods in the steep terrain of the.Coal mining | World Coal AssociationOver 7212 million tonnes (Mt) of hard coal are currently produced worldwide and 810.5 Mt of brown coal/lignite. Coal is mined by two methods: surface or.