Technology of Underground Coal Mining in the U.S.A.—State of the Art

With 275 billion tons of recoverable coal reserves that can be mined using existing technologies, United States is ranked number one in the World. At the current rate of production, recoverable coal reserves are sufficient for 250 years. American coal mines are the most productive in the World, and their performance is still improving every year. This discussion will focus on some major technology developments that greatly contribute to the success of the American coal mining industry.