Geological factors affecting methane in the Beckley coalbed / by J. T. Popp and C. M. McCulloch ; Pittsburgh Mining and Safety Research Center.

Author/creator Popp, John T.
Other author McCulloch, C. M. (Charles M.) author.
Other author United States. Bureau of Mines.
Format Book
Publication Info[Washington] : U.S. Dept. of the Interior, Bureau of Mines, 1976.
Description[2], ii, 35 p. : ill. ; 27 cm.
Subjects

SeriesReport of investigations - Bureau of Mines ; 8137
Report of investigations (United States. Bureau of Mines) 8137. ^A429518
Bibliography noteBibliography: p. 29-34.
GPO item number637-A
Govt. docs number I 28.23:8137