Improving the performance of longwall gob gas ventholes.

Other author United States. Bureau of Mines.
Format Electronic
Publication InfoWashington, DC : Bureau of Mines, U.S. Dept. of the Interior, [1995]
Description[2] p. : digital, PDF file
Supplemental Contenthttps://purl.fdlp.gov/GPO/LPS91733
Subjects

SeriesTechnology news ; no. 448
Technology news ; no. 448. ^A783633
General noteTitle from title screen (viewed on Mar. 6, 2008).
General note"March 1995."
General noteGPO Cataloging Record Distribution Program (CRDP).
Technical detailsMode of access: Internet from the CDC web site. Address as of 03/06/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/tl448.pdf; current access available via PURL.
GPO item number0499-F-27 (online)
Govt. docs number HE 20.7132/2:448