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= Barr Engineering Company LOG OF PIEZOMETER <br />(Reference Boring No. B -8) <br />BARR <br />Sheet 2 of 2 <br />Location: West Elk Mine, Somerset, <br />client- Mountain Coal Company <br />CO <br />Barr Project Number: 06/261003 <br />Surface Elevation: 6779.33 <br />Top of Casing Elevation: <br />STRATA <br />PIEZOMETER <br />= <br />O <br />m <br />DETAILS <br />W <br />; <br />PIEZOMETER CONSTRUCTION DETAILS <br />DESCRIPTION a � <br />Lu V <br />0 <br />} <br />N <br />J <br />W <br />30 <br />35.0 <br />TD <br />6744.33 <br />35 <br />Completion Depth: 35.0 <br />Date Started: 6/24/09 <br />LEGEND <br />Date Completed: 6/24/09 <br />a FILTER PACK <br />WATER LEVELS <br />Logged By. BWL <br />Drilling Contractor: Haztech <br />® BENTONITE <br />WATER LEVEL: I DRY ft <br />Drilling Method- HSA/CORE <br />DATE: 09 -21 -2009 <br />Coordinates <br />CEMENT GROUT <br />TIME- 00:00 <br />North: 401418.0 <br />® CUTTINGS / BACKFILL <br />East: 1450558.8 <br />1 he stratirication lines represent appro)amate boundaries. The transition may be gradual. <br />