Hydraulic coal mining research :development mining in a steeply pitching coalbed, Roslyn, Wash.

Author:	Price, George Cletus,
Additional Authors:	Badda, Frank.
Year:	1965
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:6685
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6685
Subjects:	Coal mines and mining--Research
	Hydraulic mining--Washington (State)
	Hydraulic mining--Research
Link:	https://hdl.handle.net/2027/mdp.39015078512905