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
 |
| 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.
U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/1989/of89-362/fig-13.htm
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