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Geologic factors causing roof instability and methane emission problems : the Lower Kittaning coalbed, Cambria County, Pa. Cover Image E-book

Geologic factors causing roof instability and methane emission problems : the Lower Kittaning coalbed, Cambria County, Pa

McCulloch, C. M. (Charles M.) (Author). Deul, Maurice (Added Author). United States. Bureau of Mines. (Added Author).

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Record details

  • Physical Description: remote
    ii, 25 pages : digital, PDF file
  • Publisher: [Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, [1973]

Content descriptions

General Note:
GPO Cataloging Record Distribution Program (CRDP).
Title from title screen (viewed on July 18, 2008).
System Details Note:
Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/18/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri7769.pdf; current access available via PURL.

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Subject: Mine roof control

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Available in another form: Geologic factors causing roof instability and methane emission problems

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