Gases from Blasting in Tunnels and Metal-Mine Drifts

Author:	Gardner, E. D.
Additional Authors:	Howell, S. P.
Year:	1927
Document Type:	N/A
Series:	United States Bureau of Mines Reports
Report Number:	Bulletin 287
Link:	https://digital.library.unt.edu/ark:/67531/metadc12465/