Carbonizing properties and petrographic composition of Pocahontas no. 3-bed coal from Buckeye no. 3 mine, Wyoming County, W. Va., and of Pocahontas no. 4-bed coal from no. 4 mine, Raleigh County, W. Va.,
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| Language: | English |
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| Format: | U.S. Federal Government Document Book E-Resource |