Degasification of virgin Pittsburgh coalbed through a large borehole /

Bibliographic Details
Corporate Author:	United States. Bureau of Mines
Other Authors:	Fields, H. H.
Format:	Government Document Book
Language:	English
Published:	[Pittsburgh, Pa.] : U.S. Dept. of the Interior, Bureau of Mines, [1973]
Series:	Report of investigations (United States. Bureau of Mines) ; 7800.
Subjects:	Coalbed methane drainage. Mine ventilation.
Online Access:	https://purl.fdlp.gov/GPO/LPS97482

Description
Item Description:	Title from title screen (viewed on July 18, 2008). Electronic resource.
Physical Description:	27 pages : digital, PDF file.
Format:	Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/18/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri7800.pdf ; current access available via PURL.