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020 _a9780873354004
041 _aeng
100 _aGregg Davidson-Alan Howard-Lonnie Jacobs-Robert Pintabona-Brett Zernich
245 0 _aNorth American Tunneling 2014 Proceedings
260 _bSociety for Mining, Metallurgy, and Exploration, Inc.
260 _c2014
650 _a Mining
650 _aTECHNOLOGY & ENGINEERING
650 _aTunneling--Congresses.,Underground construction--Congresses.
856 _3Click here to access online
856 _uhttps://search.ebscohost.com/login.aspx?direct=true&db=e000xww&site=ehost-live&scope=site&AN=787646
942 _cEBK
999 _c315481
_d315481