Mine roof rock and roof bolt behavior resulting from nearby blasts

Author:	Stehlik, Charles J.
Year:	1964
Document Type:	BMRA
Issuing Agency:	Bureau of Mines, U.S. Dep. of the Interior,
Series:	Report of investigations / Bureau of Mines ;
Report Number:	6372
Subjects:	Mine roof bolting
	Roofs
Link:	https://hdl.handle.net/2027/mdp.39015077557067