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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL LITHOLOGIC LOG <br />Mine: ~:ucla East Page 1 / 2 <br />Monitor Well Name:(R90 in'lnt) <br />Geologic Unit Monitore (lvarhiirrlan <br />Ground Surface Elevation: (ft-amsi) <br />Location: Mine Coordinates N E <br />., 595397.8 W. 1120807.2 <br />N ~~ ~~E. <br />SW.i , ~_# , T~fi_ S • , R 1 ri LWJ + S~i_ <br />Drilling Date: Start g_ta-R7 , <br />Finish _ <br />Drilled By: IJinnPk <br />Logged By: ~•tark Koffler <br />Geophysics y Logge By: 11 <br />Total Depth Drilled: g7,2 ft <br />FORMATION RECORD <br />u <br /> <br />Depth t <br />From To Litho ogic description of unconso idate and <br />consolidated units and water horizons <br /> CLAY brown sand <br /> AV wet <br /> her and fractured Bedrock <br /> <br /> ~ brown <br /> ' SA DSTONE ra <br /> 2 BENTONITE white <br />23.1 24.5 SANDSTONE brown <br />24.5 25.1 SANDSTONE white, cemented, and hard <br />25.1 26.2 SANDSTONE ra <br />26.2 29.6 SHALE ra <br />29.6 31.4 ~ BENTONITE, white <br />31.4 59.8 SANDSTONE, ra <br />59.8 63.1 SANDSTONE, white <br />63.1 66.2 SANDSTONE, ray <br />66.2 74.8 SHALE, ray with carbonaceous stringers <br />74.3 78.6 SANDSTONE, gray <br />73.6 80.2 SHALEY SANDSTONE, black to grayish <br />80.2 82.5 SANDSTONE, gray <br />32.5 84.3 COAL, Lower Dakota) <br />84.3 84.5 SHALE, brown Partin ) <br />34.5 36.2 COAL, Lower Dakota) <br />86.2 37.0 SHALE, brown <br />"07.0 90.2 COAL Lower Dakota) <br /> 9 SHALE ra <br />x-5 <br />