Gases from blasting in tunnels and metal-mine drafts
By: by E.D.Gardner, S.P.Howell and G.W.Jones.
Contributors: Howell, S. P.; Jones, C. W.
Series: Bulletin (U.S, Bureau of mines) -- .287
Publisher: Government printing office
Published: 1927
Place of publication: Washington, D.C
Language: eng
Number of pages: 96