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October 1999
Volume 51    Issue 10

Digital assessment of northern and central Appalachian basin coals

Mining Engineering, 1999, Vol. 51, No. 10, pp. 14-20
Ruppert, Leslie F.; Tewalt, Susan J.; Bragg, Linda J.; Wallack, Rachel N.


PREVIEW:
The US Geological Survey (USGS) is currently conducting a coal resource assessment of the coalbeds and zones that are projected to provide the bulk of the nation’s resources for the next few decades. The Pittsburgh and Upper Freeport coals are the first two beds in the northern and central Appalachian basin region to undergo fully digital coal assessments. The bed-specific assessments are being carried out in partnership with the state geologic surveys of West Virginia, Ohio, Pennsylvania and Maryland.


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