Carbonizing properties and petrographic composition of Powellton-bed coal from Elk Creek no. 1 mine, Emmett, Logan County, W. Va. : and the effect of blending this coal with Pocahontas no. 3- and no. 4-bed coals / by J.D. Davis, D.A. Reynolds, G.C. Sprunk and C.R. Holmes.
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. Dept. of the Interior, Bureau of Mines,
1941.
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Series: | Technical paper (United States. Bureau of Mines) ;
630. |
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