Drillability studies :diamond drilling

Author:	Paone, James.
Additional Authors:	Bruce, William E.
Year:	1963
Document Type:	BMRA
Issuing Agency:	Bureau of Mines,
SUDOC:	I 28.23:6324
Series:	Report of investigations / U.S. Bureau of Mines ;
Report Number:	6324
Subjects:	Drilling and boring
	Boring
Link:	https://hdl.handle.net/2027/mdp.39015077556481