Sampling and evaluating respirable coal mine dust:a training manual

Year:	1971
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8503
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	8503
Subjects:	Mine dusts
	Mine safety
	Mine safety--technical manuals
	Lungs--Dust diseases
Link:	https://hdl.handle.net/2027/mdp.39015078514703