Keeping up to date in safety methods in coal mining.

Bibliographic Details

Corporate Author:	United States. Bureau of Mines
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [publisher not identified], 1922.
Series:	Mines Bur. Rpt. of Investigation No. 2372
Subjects:	Coal. Mine safety. Electronic books.
Online Access:	Connect to the full text of this electronic document