January 2006
Volume 58    Issue 1

U.S. longwall development projected to increase

Mining Engineering , 2006, Vol. 58, No. 1, pp. 27-27
Weisdack, George V.; Kvitkovich, James F.


 Boyd anticipates that U.S. coal production will increase by 61 Mt (67 million st) (6 percent) from 2004 to 2010. A combination of higher surface and underground mine production will be required to meet the projected market demand. Boyd’s projections of coal production by major mining methods are shown in Table 1.

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