Fracturing hard rock with nuclear explosives and extraction of ore by a modified block-caving method

Author:	Hardwick, W. R.
Year:	1970
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of Interior, Bureau of Mines,
SUDOC:	I 28.23:7391
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7391
Subjects:	Mining engineering
	Explosives
Link:	https://hdl.handle.net/2027/mdp.39015078533083