Degasification and production of natural gas from an air shaft in the Pittsburgh coalbed /

Bibliographic Details

Main Authors:	Fields, Herbert H., Cervik, Joseph (Author), Goodman, Tobias W. (Author)
Corporate Author:	United States. Bureau of Mines
Format:	Government Document Book
Language:	English
Published:	[Washington] : U.S. Dept. of the Interior, Bureau of Mines, 1976.
Series:	Report of investigations (United States. Bureau of Mines) ; 8173.
Subjects:	Mine gases. Natural gas.