The direct method of determining methane content of coalbeds for ventilation design / by F.N. Kissell, C.M. McCulloch, and C.H. Elder.
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Format: | Government Document Book |
Language: | English |
Published: |
[Washington, D.C.] :
U.S. Dept. of Interior, Bureau of Mines,
1973.
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Series: | Report of investigations (United States. Bureau of Mines) ;
7767. |
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