Mining Methods and Costs at the Anaconda Company Berkeley Pit, Butte, Montana

Author:	McWilliams, John R.
Year:	1959
Document Type:	N/A
SUDOC:	I 28.27:7888
Series:	Information circular (United States. Bureau of Mines)
Report Number:	I. C. 7888
Subjects:	Copper mines and mining -- Montana -- Butte.
	Strip mining -- Montana.
Link:	http://digital.library.unt.edu/ark:/67531/metadc67084/