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tobias w goodman
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Rotary drilling techniques used in the Beckley coalbed
Tobias W. Goodman · Dept. of the Interior
11 sayfa · 1989
Coalbed methane drainage / Rotary drilling / West Virginia
Comparisons between cross-measure boreholes and surface gob holes
Tobias W. Goodman · U.S. Dept. of the Interior, Bureau of Mines
14 sayfa · 1986
Boring / Coalbed methane drainage / Longwall mining / Testing
Degasification study from an air shaft in the Beckley Coalbed
Tobias W. Goodman · United States Dept. of the Interior, Bureau of Mines
19 sayfa · 1982
Coalbed methane drainage / Methane / Mine ventilation