Electrical blasting in sinking Montreal No. 5 shaft; also some safety practices at Montreal mine.

Bibliographic Details

Other Authors:	Crawford, F. Stuart, Owings, C. W. (Clarence Watson), 1894-
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1929.
Series:	Mines Bur. Info. Circ. No. 6189
Subjects:	Blasting. Electronic books.
Online Access:	Connect to the full text of this electronic document