Official changes in active list of permissible explosives and blasting devices for Feb. and Mar. 1932.

Bibliographic Details

Format:	Government Document Serial
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1932.
Series:	Mines Bur. Rpt. of Investigation No. 3163
Subjects:	Explosives. Electronic books.
Online Access:	Connect to the full text of this electronic document