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Major Disasters at Metal and Nonmetal Mines and Quarries in the United States (excluding Coal Mines)

John HyvarinenLeland H. JohnsonD. O. Kennedy

出版	U.S. Department of Interior, Bureau of Mines, 1949
URL	http://books.google.com.hk/books?id=oB8o6H_pSV0C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN