Dust reduction by wet stopers

Author:	Harrington, D.
Year:	1921
Document Type:	MAIN
SUDOC:	I 28.23:2291
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	2291
Subjects:	Mine dusts
	Mine safety
	Dust control
Link:	https://hdl.handle.net/2027/mdp.39015095268994