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PEABODY COAL COMPANY - WESTERN DIVISION i <br /> MONITOR WELL LITHOLOGIC LOG i <br /> Mine: Nucla East Page 1 / 1 <br /> Monitor Well Name: GW-N30 886E) <br /> Geologic Unit Monitored: Lower Dakota Coal <br /> Ground Surface Elevation: (ft-amsi ) { <br /> Location: Mine Coordinatesy <br /> E <br /> 598135.1 1120872.2 <br /> N E. <br /> SWk, NE 1, T 46 S. , R 15 W , S 6 <br /> Drilling Date: Start 9/9/87 <br /> Finish <br /> Drilled By: Winnek <br /> Logged By: John Cochran <br /> Geophysica y Logge By: Goodwell <br /> Total Depth Drilled: 47. 0 ft <br /> FORMATION RECORD <br /> Depth ft Litho logic description of unconsolidated and <br /> From To consolidated units and water horizons <br /> 0.0 1 .2 TOPSOIL, red brown <br /> 1 .2 7.5 SANDSTONE, brown (bedrock) <br /> 7.5 11 .5 SHALE, brown, sandy <br /> 11 .5 13.0 SHALE, gray <br /> 13.0 15.9 SANDSTONE, brown <br /> 15.9 18.5 SHALE, gray, brown, with dark stringers <br /> 18.5 18.7 SHALE, carbonaceous with coal streaks <br /> 18.7 19.0 SANDSTONE, gray <br /> 19.0 28.0 SANDSTONE, brown, gray <br /> 28.0 31 .2 SHALE dark gray, sand <br /> 31 .2 32.2 COAL, (Lower Dakota) <br /> 32.2 32.4 ' SHALE, gray, brown, sandy <br /> 32.4 33.0 COAL (Lower Dakota) <br /> 33.0 33. 1 SHALE, dark gray <br /> 33. 1 33.7 COAL, pyritic (Lower Dakota) <br /> 33.7 33.9 SHALE, dark gray <br /> 33.9 37.0 COAL, (Lower Dakota) <br /> 37.0 41 .0 SANDSTONE, light gray, hard <br /> 41 .0 42.8 SHALE, gray sandy <br /> 42.8 47.0 SANDSTONE, light gray, hard <br /> T.D. 47.0 <br /> H-12 <br />