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Number: 2620
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By J.A Henderson, Jr., C.S. Oman, and S.L. Coleman, 135 pages, 6 figures, 10 tables, 1981. A total of 134 samples of Pennsylvanian-aged coal were collected from 5 counties in Southwestern Virginia. Chemical analyses were made by the U.S. Bureau of Mines and the U.S. Geological Survey. Values for proximate and ultimate analyses, forms of sulfur, heat value, fusibility of ash, free swelling index, major- minor- and trace-element concentrations in both ash and whole coal are tabulated. Out-of-print.
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