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Probability of encountering coalbed discontinuities during vertical and horizontal borehole drilling

Electronic resources

Record details

  • Physical Description: ii, 21 p. : digital, PDF file
    remote
    electronic resource
  • Publisher: [Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1982]

Content descriptions

General Note:
GPO Cataloging Record Distribution Program (CRDP).
Title from title screen (viewed on July 28, 2008).
System Details Note:
Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/28/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri8665.pdf; current access available via PURL.
Subject: Coal mines and mining
Available in another form: Probability of encountering coalbed discontinuities during vertical and horizontal borehole drilling

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