Portable methane detectors : requirements for permissibility, tests made and fees charged.

Bibliographic Details

Format:	Government Document eBook
Language:	English
Published:	[Washington?] : [publisher not identified], 1926.
Series:	Mines Bur. Schedule No. 8 B
Subjects:	Coalbed methane drainage. Electronic books.
Online Access:	Connect to the full text of this electronic document