Milling methods and costs of the concentrator of the Magma Copper Co., Superior, Arizona

Author:	Rose, J. H.
Additional Authors:	McNabb, J. C.
Year:	1930
Document Type:	MAIN
SUDOC:	C 22.11:6319
Series:	Information circular (United States. Bureau of Mines) ;
Report Number:	6319
Subjects:	Mining engineering--Arizona
	Copper mines and mining--Arizona--Superior
Link:	https://hdl.handle.net/2027/mdp.39015095078955