Installation and evaluation of precast concrete mine supports :a progress report

Author:	Krempasky, George T.
Year:	1963
Document Type:	BMRA
Issuing Agency:	United States Bureau of Mines,
SUDOC:	I 28.23:6253
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	6253
Subjects:	Mine safety
	Precast concrete construction
Link:	https://hdl.handle.net/2027/mdp.39015078536847