AN ASSESSMENT OF COAL RESOURCES AVAILABLE FOR DEVELOPMENT
CENTRAL APPALACHIAN REGION
by
M. Devereux Carter and Nancy K. Gardner
U.S. Geological Survey Open-File Report 89-362
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| Figure 13. Summary of the estimated portion of each of the technologic restriction categories in the Matewan, Noble, Sylvester, and Vansant 7.5-minute quadrangle areas, Kentucky, West Virginia, and Virginia. |
Created by the EERT WWW Staff.
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