Effect of a surface borehole on longwall gob degasification (Pocahontas No. 3 Coalbed) [electronic resource] / by T.D. Moore and M.G. Zabetakis.
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Format: | Government Document Electronic eBook |
Language: | English |
Published: |
[Pittsburgh, Pa.?] :
U.S. Dept. of the Interior, Bureau of Mines,
[1972]
|
Series: | Report of investigations (United States. Bureau of Mines) ;
7657. |
Subjects: |
MARC
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