Block-caving mining methods and costs Bagdad Mine, Bagdad Copper Corp. Yavapai County, Ariz.

Author:	Hardwick, W. R.
Year:	1959
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7890
Series:	Information circular / U. S. Dept. of the Interior, Bureau of MInes ;
Report Number:	7890
Subjects:	Copper mines and mining--Arizona--Yavapai County
	Block theory (Rock mechanics)
Link:	https://hdl.handle.net/2027/mdp.39015078454512