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