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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.
Description
Physical Description:14 pages : illustrations ; 28 cm.
Bibliography:Includes bibliographical references.