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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL LITHOLOGIC LOG <br />Mine: ~lucla East page 1 ~ 1 <br />Monitor Well Name: G41-N33 (890C1 <br />Geologic Unit Monitored:Lower Dakota Coal Underburden <br />Ground Surface Elevation: 56 9.7 (ft-amsi) <br />Location: Mine Coordinates N E <br />N E <br />Sl•J ~, SE ?r, T 46 ., R 15 W S 6 - <br />Drilling Date: Start 9-19-87 <br />Finish <br />Drilled By: llinnek <br />Logged By: Mark Koffler <br />Geophysics y Logge By: Goodwell <br />Total Depth Drilled: 120.0 ft <br />FORMATION RECORD <br />Depth t <br />From To Lithologic description of unconsoTidate a~ nd <br />consolidated units and water horizons <br />0.0 31.5 OVERBURDEN MATERIAL (See Lithologic Log for Bell <br /> GW-N32(890 pilot) <br />31.5 82.5 SHALE, dark gray, sandy <br />32.5 33.0 COAL, pyritic (Lower Dakota) <br />83.0 84.6 COAL, (Lower Dakota) <br />84.6 84.9 SHALE, brown <br />34.9 85.4 COAL, (Lower Dakota) <br />35.4 85.6 SHALE, sandy <br />35.6 36.G COAL, (Lower Dakota) <br />36.0 86.1 SIiALE, carbonaceous <br />36.1 86.9 SHALE, dark gray <br />36.9 90.0 COAL, (Lower Dakota) <br />90.0 108.0 SANDSTONE, white, hard <br />103.0 108.5 SANDSTONE, gray, hard l <br />108.5 109.2 SANDSTONE, white, hard jl <br />109.2 120.0 SANDSTONE, gray, hard l <br /> -"i <br /> T.D. 120.0 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />• <br />L J <br />H-14 <br />