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PEABODY COAL COMPANY - WESTERN DIVISION <br /> MONITOR WELL LITHOLOGIC LOG <br /> Mine: Nucla Page <br /> Monitor Well Name: GW-N4R (880NC) <br /> Geologic Unit Monitored: Lower Dakota Coal <br /> Ground Surface Elevation: 5532.5 (ft-amsi ) <br /> Location: Mine Coordinates y <br /> E <br /> 603783.5 1112280.1 <br /> N E. <br /> Drilling Date: Start <br /> SW NW 1, T 47 S• , R 16 W Ste_ <br /> ' <br /> Finish <br /> Drilled By: Winnek <br /> Logged By: John Cochran <br /> Geophysically Logged By: Goodwell <br /> Total Depth Drilled: 44.5 ft <br /> FORMATION RECORD <br /> Depth t Litho logic description of unconsolidated and <br /> From To consolidated units and water horizons <br /> 0.0 4.2 CLAY, red brown <br /> 4.2 9.5 SANDSTONE, tan <br /> 9.5 9.9 SANDSTONE, gray <br /> 9.9 11 .4 SANDSTONE, red <br /> 11 .4 11 .8 COAL, smutty <br /> 11 .8 16.1 SHALE, gray • <br /> 16.1 19.0 SANDSTONE, gray <br /> 19.0 19.2 SHALE, gray <br /> 19.2 19.5 SANDSTONE, gray <br /> 19.5 23.7 SANDSTONE, tan <br /> 23.7 25.7 SANDSTONE, dark gray to gray <br /> 25.7 26.9 ' SANDSTONE, tan <br /> 26.9 27.2 SHALE, black <br /> 27.2 28.5 SHALE, gray, sandy <br /> 28.5 29.6 SANDSTONE, gray <br /> 29.6 35.3 SHALE, gray <br /> 35.3 36.2 SHALE, black <br /> 36.2 36.5 SHALE, gray <br /> 36.5 44.3 COAL, (Lower Dakota) <br /> 44.3 44.5 SHALE, gray <br /> T.D. 44.5 <br /> • <br /> H-8 <br />