Effect of a surface borehole on longwall gob degasification (Pocahontas No. 3 Coalbed) /

Bibliographic Details

Main Author:	Moore, T. D.
Corporate Author:	United States. Bureau of Mines
Other Authors:	Zabetakis, Michael George, 1924-
Format:	Government Document Book
Language:	English
Published:	[Pittsburgh, Pa.] : U.S. Dept. of the Interior, Bureau of Mines, [1972]
Series:	Report of investigations (United States. Bureau of Mines) ; 7657.
Subjects:	Mine ventilation. Longwall mining.
Online Access:	https://purl.fdlp.gov/GPO/LPS97460