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 7. Estimated original, remaining, and available coal resources, by coal bed, in the Noble 7.5-minute quadrangle, Breathitt, Perry, and Knott Counties, Kentucky. Coal beds are in stratigraphic sequence with the youngest (uppermost) at the far left and the oldest (deepest) at the far right. |
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U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/1989/of89-362/fig-7.htm
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