Degasification and production of natural gas from an air shaft in the Pittsburgh coalbed
By: by H. H. Fields, Joseph Cervik, and T. W. Goodman ; Pittsburgh Mining and Safety Research Center.
Contributors: Cervik, Joseph.; Goodman, Tobias W.; United States. Bureau of Mines.
Series: Report of investigations - Bureau of Mines ; 8173; Report of investigations (United States. Bureau of Mines) -- 8173.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1976
Place of publication: [Washington]
Language: eng
Number of pages: 23
Subjects: Mine gases.; Natural gas.