Design and development of precast concrete mine supports :a progress report

Author:	Krempasky, George T.
Additional Authors:	Cowles, R. C.
Year:	1963
Document Type:	BMRA
Issuing Agency:	U.S. Bureau of Mines,
SUDOC:	I 28.23:6164
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6164
Subjects:	Mine safety
	Mine timbering
	Precast concrete construction
Link:	https://hdl.handle.net/2027/mdp.39015078523845