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Final Report on a Gas and Dust Explosion, January 10, 1940, in Mine No. 1 of the Pond Creek Pochahontar Company, Bartley, McDowell County, West Virginia

M. J. Ankeny

出版	The Bureau., 1940
URL	http://books.google.com.hk/books?id=yCPYOQAACAAJ&hl=&source=gbs_api