Underground Gasification of Coal- Second Experiment in Preparing A Path Through A Coalbed by Hydraulic Fracturing.
Contributors: Capp, J.P.; Plants, K.D.; Fies, M.H.
Series: Report of investigations (United States. Bureau of Mines) -- 5808
Publisher: s.n
Published: 1961
Place of publication: S.l
Language: eng
Notes: 1