Cover Image

Bleeder system in virgin area in a Pittsburgh coalbed mine /

Bibliographic Details
Main Author: Krickovic, Stephen
Corporate Author: United States. Bureau of Mines
Other Authors: Moore, T. D., Carpetta, J. E. (John E.)
Format: Government Document Book
Language:English
Published: [Pittsburg, Pa.] : U.S. Dept. of the Interior, Bureau of Mines, [1973]
Series:Report of investigations (United States. Bureau of Mines) ; 7805.
Subjects:
Mine gases.
Methane.
Mine ventilation.
Online Access:https://purl.fdlp.gov/GPO/LPS97767
Description
Item Description:Title from title screen (viewed on July 22, 2008).
Electronic resource.
Physical Description:8 pages : digital, PDF file.
Format:Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/22/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri7805.pdf ; current access available via PURL.