Large-scale laboratory drag cutter experiments in hard rock

Author:	Morrell, Roger J.
Additional Authors:	Swanson, David E., Larson, David A.
Year:	1985
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:9003
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	9003
Subjects:	Drag bits (Drilling and boring)--Testing
	Rock mechanics
	Mining machinery
Link:	https://hdl.handle.net/2027/mdp.39015078489310