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Bleeder system in virgin area in a Pittsburgh coalbed mine /

Bibliographic Details
Main Author:	Krickovic, Stephen
Corporate Author:	United States. Bureau of Mines
Other Authors:	Moore, T. D., Carpetta, J. E. (John E.)
Format:	Government Document Book
Language:	English
Published:	[Pittsburg, Pa.] : U.S. Dept. of the Interior, Bureau of Mines, [1973]
Series:	Report of investigations (United States. Bureau of Mines) ; 7805.
Subjects:	Mine gases. Methane. Mine ventilation.
Online Access:	https://purl.fdlp.gov/GPO/LPS97767

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