Physiological factors of mine ventilation

Author:	Sayers, R. R.
Year:	1929
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6196
Series:	Information circular / United States Department of Commerce, Bureau of Mines ;
Report Number:	6196
Subjects:	Mine ventilation
	Mine gases
	Silicosis
Link:	https://hdl.handle.net/2027/mdp.39015077584202