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Methods of determining the orientations of bedrock fracture systems in southwestern Pennsylvania and northern West Virginia

Electronic resources

Record details

  • Physical Description: electronic resource
    remote
    ii, 35 pages : digital, PDF file
  • Publisher: [Washington, D.C.?] : U.S. Dept. of the Interior, Bureau of Mines, [1977]

Content descriptions

General Note:
"1977. "
GPO Cataloging Record Distribution Program (CRDP).
Title from title screen (viewed on July 11, 2008).
System Details Note:
Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/11/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri8217.pdf; current access available via PURL.
Subject: Coal mines and mining Pennsylvania
Coal mines and mining West Virginia

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