Proceedings of the symposium on respirable coal mine dust, Washington D.C., November 3-4, 1969

Additional Authors:	Gooding, Richard M.,
Year:	1970
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Interior, Bureau of Mines,
Series:	Information circular / Bureau of Mines ;
Report Number:	8458
Subjects:	Coal mines and mining--Dust control
	Mine ventilation
Link:	https://hdl.handle.net/2027/mdp.39015077578154