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- Barr Engineering Company LOG OF PIEZOMETER <br />(Reference Boring No. B -1) <br />BARR <br />Sheet 3 of 3 <br />Location: West Elk Mine, Somerset, <br />Client Mountain Coal Company <br />CO <br />Barr Project Number: 06/261003 <br />Surface Elevation 6192.24 <br />Top of Casing Elevation: <br />STRATA <br />PIEZOMETER <br />= <br />o <br />m <br />DETAILS <br />w <br />r <br />PIEZOMETER CONSTRUCTION DETAILS <br />DESCRIPTION a <br />W <br />W <br />W <br />siltstone. Black powder <br />in shoe. <br />. <br />65 <br />70 <br />COAL Black with red <br />flecks, dull platy coal <br />with vitrain laminations <br />SANDSTONE Light <br />grey sandstone with <br />coualy laminations near <br />conotact. <br />75.0 <br />TD <br />16117.24 <br />75 <br />Completion Depth: 75.0 <br />Date Started: 6/25/09 <br />LEGEND <br />Date Completed- 6/25/09 <br />E FILTER PACK <br />WATER LEVELS <br />Logged By: BWL <br />Drilling Contractor. Haztech <br />® BENTONITE <br />WATER LEVEL: DRY ft <br />Drilling Method: HSA/CORE <br />® CEMENT GROUT <br />DATE: 09 -21 -2009 <br />TIME: 00.00 <br />Coordinates <br />North: 403263.5 <br />® CUTTINGS / BACKFILL <br />East: 1450468.5 <br />the stratification lines represent appro>amate boundaries. The transition may be gradual. <br />