Determining the source of longwall gob gas
Subtitle: Lower Kittanning Coalbed, Cambria County, PA
By: by William P. Diamond, James P. Ulery, and Stephen J. Kravits.
Contributors: Ulery, J. P.; Kravits, S. J.
Series: Report of investigations ;; 9430; Report of investigations (United States. Bureau of Mines) ;; 9430.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1992
Place of publication: Washington, D.C
Language: eng
Number of pages: 15
Subjects: Firedamp -- Pennsylvania -- Cambria County.; Coal mine waste -- Pennsylvania -- Cambria County.; Longwall mining -- Pennsylvania -- Cambria County.; Mine ventilation.
Notes: Includes bibliographical references (p. 13).