Hydraulic coal mining research :assessment of parameters affecting the cutting rate of bituminous coal

Author:	Fowkes, Richard S.
Additional Authors:	Wallace, Joseph J.
Year:	1968
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:7090
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7090
Subjects:	Bituminous coal
	Hydraulic mining
Link:	https://hdl.handle.net/2027/mdp.39015078531673