A laboratory comparison of drag cutting methods in hard rock

Author:	Anderson, Sterling J.
Additional Authors:	Morrell, Roger J., Larson, David A.
Year:	1987
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:9086
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	9086
Subjects:	Drag bits (Drilling and boring)--Testing
	Limestone
	Quarries and quarrying--Testing
Link:	https://hdl.handle.net/2027/mdp.39015078479675