Arch canopy verification tests

Author:	Allwes, Richard A.
Additional Authors:	Mangelsdorf, C. P.
Year:	1990
Document Type:	BMRA
Issuing Agency:	Bureau of Mines, U.S. Dept. of the Interior,
SUDOC:	I 28.23:
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	9306
Subjects:	Structural dynamics
	Mine roof control--Testing
Link:	https://hdl.handle.net/2027/mdp.39015078475202