Electrical blasting practice at some coal mines in State of Washington.

Bibliographic Details

Other Authors:	Ash, S. H. (Simon Harry), 1889-
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1930.
Series:	Mines Bur. Info. Circ. No. 6264
Subjects:	Blasting. Electronic books.
Online Access:	Connect to the full text of this electronic document