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Block-caving Copper Mining Methods and Costs at the Miami Mine, Miami Copper Company, Gila County, Ariz

William R. Hardwick

出版	U.S. Department of the Interior, Bureau of Mines, 1965
URL	http://books.google.com.hk/books?id=-6FNY_a9kV8C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN