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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL LITHOLOGIC LOG <br />Mine: Wucla East Page 1 _i 1 <br />Monitor Well Name: GW-N30 886E <br />Geologic Unit Monitored: Lower Dakota Coal <br />Ground Surface Elevation: ~ (ft-an,si) <br />Location: Mine Coordinates N E <br />., 598135.1 1120E'~72.2 _ <br />N E. <br />SW}, NE }, 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 />Geophysics y Logge By: <br />Total Depth Drilled: 47.(L ft <br />FORMATION RECORD <br />Depth ft <br />From To Litho ogic description of unconsolidated and <br />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 ra <br />19.0 ~ 28.0 SANDSTONE, brown, ra <br />28.0 31.2 SHALE dark ra sand <br />37.2 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 /> <br /> T.D. 47.0 <br /> <br /> <br /> <br />J <br /> <br />H-12 <br />