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

Author:	Finfinger, Gerald L.
Additional Authors:	Cervik, Joseph,
Year:	1979
Document Type:	BMRA
Issuing Agency:	Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8359
Series:	Report of investigations / Bureau of Mines ;
Report Number:	8359
Subjects:	Coal mines and mining
	Mine ventilation
	Methane
Link:	https://hdl.handle.net/2027/mdp.39015078482257