Permissible electric cap lamps and ventilation in certain California mines and water-tunnel construction.

Bibliographic Details

Other Authors:	Ash, S. H. (Simon Harry), 1889-, Rankin, Joseph Holbrook, 1890-
Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. Government Printing Office, 1932.
Series:	Mines Bur. Bull. No. 359
Subjects:	Equipment and supplies. Electronic books.
Online Access:	Connect to the full text of this electronic document