Coal mining - Wikipedia

When coal seams are near the surface, it may be , Open cast coal mining recovers a greater proportion of the coal....

Surface mining - Wikipedia

Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a , It is most commonly used to mine coal and lignite (brown coal)...

How We Mine - Arch Coal, Inc | About Us: Our Mines

When planning is completed and all permits granted, mining begins Seams of coal may be close to the surface or buried deep underground Surface mining is....

Basic Information about Surface Coal Mining in Appalachia - EPA

6 Oct 2016 , What is Surface Coal Mining? Environmental Impacts Summary Diagram of the Principal Observed and Expected Effects of Mountaintop....

Mining Sites - Banks Group

Banks Mining develops and operates surface coal mines throughout the north of England and Scotland in a safe, responsible and efficient manner We have a....