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- Barr Engineering Company LOG OF PIEZOMETER <br />(Reference Boring No. B -3) <br />BARR <br />Sheet 2 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 />= <br />o <br />DETAILS <br />a. <br />V <br />PIEZOMETER CONSTRUCTION DETAILS <br />DESCRIPTION w <br />} <br />N <br />J <br />W <br />grey /grey siltstone with 30 <br />x x <br />fine sand inclusions. <br />x x <br />x x <br />x x <br />x x <br />x x <br />35 <br />x x <br />x x <br />x x <br />x x <br />x x <br />x x <br />x x <br />x x <br />x x <br />x x <br />x x <br />x x <br />x x <br />x x <br />x x <br />SANDSTONE Grey <br />sandstone with minor 40 <br />coal dust. Minor layers <br />of siltstone. Some clay <br />infilling. Minor pyrite <br />present in small dykes. <br />45 <br />50 <br />55 <br />60 <br />Completion Depth: 100.0 <br />Date Started: 6/18/09 <br />LEGEND <br />Date Completed: 6/19/09 <br />1 FILTER PACK <br />WATER LEVELS <br />Logged By. BSE <br />Drilling Contractor: Haztech <br />■ BENTONITE <br />WATER LEVEL: 75.28 ft <br />Drilling Method: HSA/CORE <br />® CEMENT GROUT <br />DATE: 09 -21 -2009 <br />TIME: 00:00 <br />Coordinates <br />North: 402650.2 <br />® CUTTINGS / BACKFILL <br />East: 1450672.6 <br />the stratification lines represent appropmate boundaries. The transition may be gradual. <br />