Control of longwall gob gas with cross-measure boreholes (upper Kittanning coalbed)

Publisher:

[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, [1983]

Phys. Desc.:

17 pages : digital, PDF file

Electronic resource

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Methane diffusion parameters for sized coal particles : a measuring apparatus and some preliminary results

Publisher:

[Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1972]

Phys. Desc.:

12 pages : digital, PDF file

Electronic resource

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Methane emission rate studies in a central Pennsylvania mine

Publisher:

[Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1971]

Phys. Desc.:

9 pages : digital, PDF file

Electronic resource

Click for online content.

Remote fiber-optic methane monitor

Publisher:

[Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1992]

Phys. Desc.:

1 online resource (8 pages)

Electronic resource

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The Upper Big Branch mine tragedy : field hearing before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, second session, hearing held in Beckley, WV, May 24, 2010

Publisher:

Washington : U.S. Government Printing Office, 2010.

Phys. Desc.:

1 online resource (iii, 69 pages) : illustrations

Electronic resource

Click for online content.

The Upper Big Branch mine tragedy field hearing before the Committee on Education and Labor, U.S. House of Representatives, One Hundred Eleventh Congress, second session, hearing held in Beckley, WV, May 24, 2010

Publisher:

Washington : U.S. Government Printing Office, 2010.

Phys. Desc.:

1 online resource (iii, 69 pages) : illustrations

Electronic resource

Click for online content.