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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL LITHOLOGIC LOG <br />Mine: Nucla East Page 1 / 1 <br />Monitor Well Name: GW-N34 (893NC) <br />~ologic Unit Monitored: 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 ., R15 W S 6 <br />Drilling Date: Start 9/23/87 <br />Finis 9/23/87 <br />Drilled By: Winnek <br />Logged By: Mark Koffler <br />Geophysics y Logge By: Goodwel <br />Total Depth Drilled: 60.0 ft <br />FORMATION RECORD <br /> Depth ft <br />From To Litho ogic description of unconso idate an <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 COAL, (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 SANDSTONE, 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 />H-16 <br />