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Milling Methods at the Concentrator of the Walker Mining Co., Walkermine, Calif
M. R. McKenzie
Hugh Kenneth Lancaster
出版
U.S. Department of Commerce, Bureau of Mines
, 1932
URL
http://books.google.com.hk/books?id=PCiK7fql0xAC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
註釋
This paper describing the milling methods at the Walkermine concentrator, Plumas County, Calif., is one of a series being prepared by the United States Bureau of Mines on milling methods and costs in the various mining districts throughout the United States
