登入選單

返回Google圖書搜尋

Mining and Milling Methods and Costs, Ozark Ore Co., Iron Mountain Iron-Ore Mine, St. Francois County, Mo

Robert F. PettitWillis A. CalhounBurton M. Reynolds

出版	U.S. Department of the Interior, Bureau of Mines, 1957
URL	http://books.google.com.hk/books?id=_sZPZPUG2KUC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN