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PEABODY COAL COMPANY - WESTERN DIVISION <br />AQUIFER TEST DATA <br />Mine Nucla East Page 1 / 2 <br />State Colorado County ,Montrose Well No. GW-N20 <br />• Personnel John Cochran, Mark KoffierT. 46 N',R. 15 E', Sec. 6 (NE,NW? <br />5. W. <br />Test Type Slu Withdraw <br />Total Well Dept 76.5 ft. We iameter 7 7/8 in. Casing Diameter 4.0 in. <br />Casing Type PUC Type of Screen or Perforation Mil-slotted <br />Interval of Screen or Perforation 58.6 - 76.5 <br />Aquifer Dakota Coal quifer Litho ogy Coal <br />Altitude of Lan Surface 5739.75 How Determined s~-veved <br />SWL ft. 12.37 feet How Measured Sinco Transducer <br />H . i.51 ft. <br />0 <br /> <br />~J <br />Date Time <br />(mins.) Water Leve <br />(ft.) H <br />(ft.) H/Ho <br />8/19/87 0.000 13.88 1.51 1.000 <br /> 0.167 1 7 1,50 .993 <br /> 0.250 13.86 1,49 .987 <br /> 0.417 13.85 1.48 .980 <br /> 0.500 13.82 1.45 .960 <br /> 0.667 13.81 1.44 .954 <br /> 0.833 13.79 1.42 .940 <br /> 1,000 13.78 1.41 .934 <br /> 1.50 13.73 1.36 .901 <br /> 2.000 13.69 1.32 .874 <br /> 2.500 13.64 1.27 .841 <br /> 3.000 13.61 1.24 .821 <br /> 4,000 13.54 1.17 .775 <br /> 5.000 13.47 1.10 .728 <br /> 6.000 13.41 1.04 .689 <br /> 7.000 13.35 0.98 .649 <br /> 8.000 13.31 0.94 .623 <br /> 9.000 13.25 0.88 .583 <br /> 10.000 13.22 0.85 .563 <br /> 13.000 13.10 0.73 .483 <br /> 17.000 12.98 0.61 .404 <br /> 20.000 12.91 0.54 .358 <br /> 25.000 12.83 0.46 .305 <br /> 30.000 12.77 0.40 .265 <br /> 35.000 12.72 0.35 .232 <br /> 40.000 12.69 0.32 .212 <br />7-2-33 Revised 04/11/88 <br />