Using ground penetrating radar for roof hazard detection in underground mines /

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Bibliographic Details
Imprint:[Pittsburgh, Pa.] : U.S. Dept. of Energy, Pittsburgh Research Center, [1996]
Description:14 pages : digital, PDF file.
Language:English
Series:Report of investigations ; 9625
Report of investigations (National Institute for Occupational Safety and Health) ; 9625.
Subject:Mine roof control.
Ground penetrating radar.
Format: E-Resource U.S. Federal Government Document Book
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/7243450
Hidden Bibliographic Details
Other authors / contributors:Molinda, G. M. (Gregory M.)
Pittsburgh Research Center (U.S.)
Notes:Title from title screen (viewed on July 11, 2008).
"1996."
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/ri9625.pdf; current access available via PURL.
Other form:Using ground penetrating radar for roof hazard detection in underground mines iv, 14 p.
GPO item no.:0499-F-22 (online)
Govt.docs classification:HE 20.7131:9625