Laserfiche WebLink
• <br />c <br />i <br />c <br />c <br />- Barr Engineering Company LOG OF PIEZOMETER <br />(Reference Boring No. B -3) <br />B <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 />m <br />DETAILS <br />W <br />> S <br />PIEZOMETER CONSTRUCTION DETAILS <br />DESCRIPTION w <br />p <br />w <br />a <br />(YO) <br />w <br />30 <br />grey /grey siltstone with <br />x x <br />fine sand inclusions. <br />z z <br />x x <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 z <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 />s <br />.. <br />i <br />60 <br />Completion Depth: 100.0 <br />Date Started: 6/18/09 <br />LEGEND <br />Date Completed: 6/19109 <br />FILTER PACK <br />WATER LEVELS <br />Logged By: BSE <br />WATER LEVEL: 75.28 ft <br />> Drilling Contractor: Haztech <br />■ BENTONITE <br />DATE: 09 -21 -2009 <br />Drilling Method: HSA/CORE <br />i <br />® CEMENT GROUT <br />TIME: 00:00 <br />Coordinates <br />i North: 402650.2 <br />® CUTTINGS / BACKFILL <br />East: 1450672.6 <br />The stratification lines represent approbmate boundaries. The transition may be gradual. <br />