Drillability studies :statistical regression analysis of diamond drilling

Author:	Paone, James.
Additional Authors:	Virciglio, Pauline R., Bruce, William E.
Year:	1966
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:6880
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6880
Subjects:	Boring
	Rock-drills
Link:	https://hdl.handle.net/2027/mdp.39015078511246