01759nam a2200385 a 4500001001200000003000800012006001900020007001500039008004100054010001700095020001500112020001800127020002700145040002100172035002100193043001200214050002300226111006500249245011500314246001300429260008700442300002400529500012800553500010000681504005100781505009200832533015200924650004201076650004201118655002901160700002401189710001701213856012601230999001701356ebr10742688CaPaEBRm     o  u        cr cn|||||||||110216s2010    coua    sb    101 0 eng d  z  2011280256  z0873353315  z9780873353311  z9780873353335 (e-book)  aCaPaEBRcCaPaEBR  a(OCoLC)729553125  an------14aTA800b.N69 2010eb2 aNorth American Tunneling Conferenced(2010 :cPortland, Or.)10aNorth American Tunneling 2010 proceedingsh[electronic resource] /cedited by Lawrence R. Eckert ... [et al.].3 aNAT 2010  aLittleton, Colo. :bSociety for Mining, Metallurgy, and Exploration, Inc.,cc2010.  axii, 980 p. :bill.  a"Taken from a collection of papers presented at the prestigious 2010 North American Tunneling Conference"--p. [4] of cover.  a"Held June 20-23, 2010, at the Marriott Downtown Waterfront Hotel, Portland, Oregon"--Web site.  aIncludes bibliographical references and index.0 atrack 1. Technology -- track 2. Design -- track 3. Planning -- track 4. Case histories.  aElectronic reproduction.bPalo Alto, Calif. :cebrary,d2013.nAvailable via World Wide Web.nAccess may be limited to ebrary affiliated libraries. 0aTunnelingzNorth AmericavCongresses. 0aUnderground constructionvCongresses. 7aElectronic books.2local1 aEckert, Lawrence R.2 aebrary, Inc.40uhttp://site.ebrary.com/lib/rucke/Doc?id=10742688zAn electronic book accessible through the World Wide Web; click to view  c35408d35408