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Why Is Coal Mining Important To Tn

In the 1970's, coal mining boomed, and production peaked at 11.2 million tons per year in 1972; strip mining in general, and mountaintop removal mining in particular, became much more important during the 70's. Since then, production has declined rapidly, especially since 1990, with the rise of Powder River Basin coal; in 2006, the state ...

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