http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Notes on precautions to be taken when drilling oil or gas wells through workable coal beds or through mine workings
Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from ProQuest, LLC.
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2012. digital, PDF file. ProQuest U.S. Executive Branch Documents, 1910-1932. Mode of access: World Wide Web via ProQuest website.
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