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Google圖書搜尋
Mining Methods and Practices at the Johnson Camp Copper-zinc Mine, Coronado Copper and Zinc Co., Cochise County, Ariz
William R. Hardwick
Joe Sierakoski
出版
United States Department of the Interior. Bureau of Mines
, 1957
URL
http://books.google.com.hk/books?id=zwj7sgEACAAJ&hl=&source=gbs_api
