Tracer gas method for measuring leakage through mine stoppings

Author:	Matta, J. E.
Additional Authors:	Kissell, Fred N., Maksimovic, S. D.,
Year:	1978
Document Type:	BMRA
Issuing Agency:	Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8324
Series:	Report of investigations / Bureau of Mines ;
Report Number:	8324
Subjects:	Mine explosions
	Mine ventilation
Link:	https://hdl.handle.net/2027/mdp.39015078483305