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Comparisons between cross-measure boreholes and surface gob holes

Goodman, Tobias W. (Author). Cervik, Joseph (Added Author). United States. Bureau of Mines. (Added Author).

Electronic resources

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Record details

Physical Description: remote
14 pages : digital, PDF file
Publisher: [Pittsburg, Pa.?] : U.S. Dept. of the Interior, Bureau of Mines, [1986]

Content descriptions

General Note:	GPO Cataloging Record Distribution Program (CRDP). Title from title screen (viewed on July 22, 2008).
System Details Note:	Mode of access: Internet at the National Institute for Occupational Safety and Health web site. Address as of 7/22/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/ri9013.pdf; current access available via PURL.