November 2001
Volume 53    Issue 11

Black Thunder coal mine maximize production

Mining Engineering , 2001, Vol. 53, No. 11, pp. 6-9
Kral, Steve

The Powder River Basin (PRB) in northeastern Wyoming and southern Montana produces about 35% of the nation’s coal. The PRB contains between 100 and 109 Gt (110 billion to 120 billion st) of coal. And the huge coal seams make the PRB coal relatively simple and economical to mine. In addition, the coal’s low-sulfur content, averaging 0.3% sulfur, makes it attractive to coal-fired power plants that must meet Clean Air Act standards.

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