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= Barr Engineering Company LOG OF PIEZOMETER <br />BARR (Reference Boring No. B -3) <br />Sheet 3 of 4 <br />Location: West Elk Mine, Somerset, <br />client: Mountain Coal Company <br />CO <br />Barr Project Number: 06/261003 <br />Surface Elevation: 6366.64 <br />Top of Casing Elevation. <br />STRATA <br />PIEZOMETER <br />DETAILS <br />= <br />w <br />0 <br />p <br />� <br />W <br />W <br />PIEZOMETER CONSTRUCTION DETAILS <br />DESCRIPTION a <br />W - <br />m <br />} <br />N <br />65 <br />70 <br />75 <br />80 <br />::: <br />80.0 <br />6286.64 <br />85 <br />85.0 <br />1 BS <br />6281.64 <br />; <br />89.0 <br />TSC 16277.64 <br />90 <br />SANDSTONE Dark <br />brown- black, some light <br />grey /grey sandstone <br />with shale and coal <br />seams. <br />95 <br />Completion Depth: 100.0 <br />Date Started: 6/18/09 <br />LEGEND <br />Date Completed: 6/19/09 <br />Logged By: BSE <br />Drilling Contractor: Haztech <br />El FILTER PACK <br />■ BENTONITE <br />WATER LEVELS <br />WATER LEVEL: 1 75.28 ft <br />Drilling Method: HSA/CORE <br />CEMENT GROUT <br />DATE: 09 -21 -2009 <br />Coordinates <br />North: 402650.2 <br />® CUTTINGS / BACKFILL <br />TIME: 0000 <br />East: 1450672.6 <br />i ne stratiTication lines represent appro)amate boundaries. The transition may be gradual. <br />