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Carbonizing Properties and Petrographic Composition of Powellton-bed Coal from Elk Creek No. 1 Mine, Emmett, Logan County, W. Va
Joseph Dana DavisDewey A. ReynoldsGeorge C. SprunkClarence Raymond Holmes
其他書名
And the Effect of Blending this Coal with Pocahontas No. 3- and No. 4-bed Coals
出版U.S. Department of the Interior, Bureau of Mines, 1941
URLhttp://books.google.com.hk/books?id=AMjMMh8GZAkC&hl=&source=gbs_api
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