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Degasification of the Mary Lee coalbed near Oak Grove, Jefferson County, Ala., by vertical borehole in advance of mining

Elder, C. H. (Curtis H.) (Author). Deul, Maurice (Added Author). United States. Bureau of Mines. (Added Author).

Electronic resources

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Record details

Physical Description: remote
21 pages : digital, PDF file
Publisher: [Pittsburgh, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1974]

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/ri7968.pdf; current access available via PURL.