Factors affecting strength and stability of wood cribbing :height, configuration, and horizontal displacement

Author:	Barczak, Thomas M.
Additional Authors:	Tasillo, Carol L.
Year:	1988
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:9168
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	9168
Subjects:	Mine roof control
	Mine timbering
Link:	https://hdl.handle.net/2027/mdp.39015078479634