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Gold Mining and Milling in the United States and Canada
Charles Freeman Jackson
Clifford Cook Furnas
Eugene Delos Gardner
Harold Putnam Greenwald
L. C. Ilsley
Percy Nicholls
Simon Harry Ash
William Waugh Adams
Alva Britt Hooker
Charles Warren Staples
John Ballantine Knaebel
John Frederick Johnson
Joseph Holbrook Rankin
Earl Jeffries Coggeshall
其他書名
Current Practices and Costs
出版
U.S. Government Printing Office
, 1932
URL
http://books.google.com.hk/books?id=-lDrJNT0xR0C&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN