Studies on the control of respirable coal mine dust by ventilation

Year:	1969
Document Type:	TPRM
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines ;
SUDOC:	I 28.26/6:19
Series:	Technical progress report ;
Report Number:	19
Subjects:	Mine ventilation
	Coal mines and mining--Dust control
Link:	https://hdl.handle.net/2027/mdp.39015077583857