Use of wetting agents for allaying coal dust in mines

Author:	Hartmann, Irving,
Additional Authors:	Greenwald, H. P.
Year:	1940
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7131
Series:	Information circular / Bureau of Mines ;
Report Number:	7131
Subjects:	Coal mines and mining--Dust control
	Wetting agents
Link:	https://hdl.handle.net/2027/mdp.39015078515593