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Estimate of Known Recoverable Reserves and the Preparation and Carbonizing Properties of Coking Coal in Overton County, Tenn

Lloyd Williams

出版	U.S. Department of the Interior, Bureau of Mines, 1955
URL	http://books.google.com.hk/books?id=KIQK49GBasUC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN