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PEABODY COAL COMPANY - WESTERN DIVISION <br /> MONITOR WELL LITHOLOGIC LOG <br /> Mine: Upr1a Fa-,t Page <br /> Monitor Well Name: GW-N31 (R87NC) <br /> Geologic Unit Monitored: nvPrhnrden <br /> around Surface Elevation: (ft-amsi ) <br /> Location: Mine Coordinates UN E <br /> S 595597.8 W. 1114828.2 <br /> YN <br /> Drilling Date: Start o_16_p i, �—J' T46 ° , R1�W Ste_ <br /> Finish g-16-g7 <br /> Drilled By: Winnek <br /> Logged By: Mark KnfflPr <br /> Geophysically Logged By: Gnodylpll <br /> Total Depth Drilled: 24-0 ft <br /> FORMATION RECORD <br /> Depth ft Lithologic description of unconsolidated and <br /> From To consolidated units and water horizons <br /> 0.0 2-8 SANDY CLAY- hrown <br /> 17-2 19-3 SANDSTONE, white <br /> 19.3 21.6 SANDSTONE. brown <br /> 21.6 24.0 SHALE. ra <br /> T.D. 24.0 feet <br /> Top of Lower Dakota Coal begins at 27.1 feet. <br /> H-3 <br />