Draingage of methane from the overlying Pocahontas no. 4 coalbed from workings in the Pocahontas no. 3 coalbed /

Bibliographic Details

Main Author:	Finfinger, Gerald L.
Corporate Author:	United States. Bureau of Mines
Other Authors:	Cervik, Joseph
Format:	Government Document Book
Language:	English
Published:	[Washington] : Dept. of the Interior, Bureau of Mines, 1979.
Series:	Report of investigations (United States. Bureau of Mines) ; 8359.
Subjects:	Coal mines and mining. Mine ventilation. Methane.