Elder, Curtis H.
Hydraulic stimulation increases degasification rate of coalbeds / by C. H. Elder and Maurice Deul ; Pittsburgh Mining and Safety Research Center. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975] - [3], 17 p. : ill. - Report of investigations ; 8047 . - United States. Bureau of Mines. Report of investigations ; 8047 . - Report of investigations (United States. Bureau of Mines) ; 8047. .
Item 637-A
91055082
Degassing of coal.
Hydraulic stimulation increases degasification rate of coalbeds / by C. H. Elder and Maurice Deul ; Pittsburgh Mining and Safety Research Center. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975] - [3], 17 p. : ill. - Report of investigations ; 8047 . - United States. Bureau of Mines. Report of investigations ; 8047 . - Report of investigations (United States. Bureau of Mines) ; 8047. .
Item 637-A
91055082
Degassing of coal.