Permissible explosives tested prior to Jan. 1, 1911, and precautions to be taken in their use.

Bibliographic Details

Corporate Author:	United States. Department of Commerce
Format:	Government Document eBook
Language:	English
Published:	[Washington] : GPO, 1911.
Subjects:	Coal mines and mining. Explosives. Mine accidents. Electronic books.
Online Access:	Connect to the full text of this electronic document