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Estimate of Known Recoverable Reserves of Coking Coal in Marshall County, W. Va

James J. DowdJ. M. ProvostR. F. AbernethyD. A. Reynolds

出版	U.S. Department of the Interior, Bureau of Mines, 1956
URL	http://books.google.com.hk/books?id=xMgyjgEACAAJ&hl=&source=gbs_api