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Underground gob gas drainage during longwall mining /

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Bibliographic Details
Main Author:	Schatzel, Steven J.
Corporate Author:	United States. Bureau of Mines
Other Authors:	Finfinger, Gerald L., Cervik, Joseph
Format:	Government Document Book
Language:	English
Published:	Pgh. [i.e. Pittsburgh], Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1982.
Series:	Report of investigations (United States. Bureau of Mines) ; 8644.
Subjects:	Coal mines and mining > Safety measures. Mine gases. Methane.

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