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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL LITHOLOGIC LOG <br />Mine: Nucla East <br />Monitor Well Name: GW-N34 (893NC) <br />~ologic Unit Monitore Lower Dakota Coal Underburden <br />ound Surface Elevation: 681.1 (ft-amsi) <br />cation: Mine Coordinates N E <br />6848.8 1122057.1 <br />N <br />NE#, NE }, T 46 ., R 15 W S 6 <br />Drilling Date: Start 9/23/87 <br />Drilled By: <br />GeophysBcaT <br />Total Depth <br />Finish 9/23/87 <br />Winnek <br />Mark Koffler <br />y Loggec <br />Drilled: <br />FORMATION RECORD <br />Page 1 / 1 <br />Depth ft <br />From To Litho ogic description of unconso idated and <br />consolidated units and water horizons <br />0.0 4.2 CLAY, sandy <br />4,2 4.8 GRAVEL <br />4,8 6.2 SAND <br />6,2 8.7 SANDSTONE, white (bedrock) <br />8,7 20.2 SANDSTONE, brown (wet) <br />20.2. 21.6 SHALEY SANDSTONE, black, carbonaceous <br />21.6 28.9 SHALE, gray <br />28.9 32.1 SHALEY SANDSTONE, black, carbonaceous <br />32.1 33.5 COAT, (Lower Dakota) <br />33.5 39.2 SHALE, gray <br />39.2 42.0 COAL, (Lower Dakota) <br />42.0 42.8 'SHALE, gray <br />42.8 55.2 SAND570NE, white, shale stringers <br />55.2 60.0 SHALE, gray <br /> <br /> T.D. 60.0 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />1 <br />H-16 <br />