Search Results - "Methane"
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1
Degasification study from an air shaft in the Beckley Coalbed
Published: United States Dept. of the Interior, Bureau of Mines, 1982Description: 19 pages : illustrations ; 28 cm.Government Document Book -
2
Rotary drilling techniques used in the Beckley coalbed
Published: U.S. Dept. of the Interior, Bureau of Mines, 1989Description: 11 pages : illustrations ; 28 cm.Book -
3
Comparisons between cross-measure boreholes and surface gob holes
Published: U.S. Dept. of the Interior, Bureau of Mines, 1986Description: 14 pages : illustrations ; 28 cm.Government Document Microfilm Book