Use of rock dust in bituminous-coal mines

Author:	Adams, William W.
Year:	1940
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:3543
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3543
Subjects:	Dust explosions--Prevention
	Coal mine accidents--Prevention
	Mine explosions--Prevention
	Explosives--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015078498022