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Abstracts of Current Decisions on Mines and Mining, Reported September to December, 1918

Carl Hugh BealElizabeth Harding BurroughsJoseph Wesley ThompsonThomas CurtinVannoy Hartrog ManningUnited States. Bureau of Mines

出版	U.S. Government Printing Office, 1919
URL	http://books.google.com.hk/books?id=NyA8AQAAMAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN