Langwall gob degasification with surface ventilation boreholes above the Lower Kittanning coalbed / by T. D. Moore, Jr., Maurice Deul, and Fred N. Kissell ; Pittsburgh Mining and Safety Research Center.

Author/creator Moore, T. D.
Other author Deul, Maurice author.
Other author Kissel, Fred N., author.
Other author United States. Bureau of Mines.
Format Book
Publication InfoWashington : U.S. Dept. of the Interior, Bureau of Mines, 1976.
Description[3], 13 p. : ill., ; 27 cm.
Subjects

SeriesReport of investigations - Bureau of Mines ; 8195
United States. Bureau of Mines. Report of investigations - Bureau of Mines ; 8195. UNAUTHORIZED
Bibliography noteBibliography: p. 13.
GPO item number637-A
Govt. docs number I 28.23:8195

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