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PEABODY COAL COMPANY - WESTERN DIVISION <br /> AQUIFER TEST DATA <br /> Mine Nucla East Page 1 / 2 <br /> State Colorado County Montros Well No. GW-N17P1 <br /> Personnel John Cochran T. 46 N ,R. 15 E. Sec. 6 (SW,IVW) <br /> S. <br /> Test Type Modified Slug <br /> Total Well Depth 108.0 ft. Well Diameter 7 7/8 in. Casing Diameter 4.0 in. <br /> Casing Type PVC Type__oT Screen or Perforation Mil-slotted <br /> Interval of Screen or Perforation 82.0 - 108.0 <br /> Aquifer Coal Aquifer Litho logy <br /> Altitude of Land Surface 5672.33 How Determined Surveyed <br /> SWL ft. 38.95 How Measured Water Level indicator <br /> H = 37.55 ft. <br /> 0 <br /> Date Time Water Level H H/H0 <br /> (mi.ns. ) (ft. ) (ft. ) <br /> 6/25/87 0.0 75.50 37.55 1 .000 <br /> 0.5 76.37 37.42 .996 <br /> i .0 76.13 37. 18 .990 <br /> 2.0 75.84 36.89 .982 <br /> 3.0 75.51 36.56 .974 ' <br /> 4.0 75.20 36.25 .965 <br /> 5.0 74.88 35.93 .957 <br /> 6.0 74.58 35.63 .949 <br /> 7.0 74.26 35.31 .940 <br /> 8.0 73.93 34.98 .937 <br /> 9.0 73.57 34.62 .922 <br /> 10.0 73.30 34.35 .915 <br /> 12.0 72.77 33.82 .901 <br /> 14.0 72. 16 33.21 .884 <br /> 16.0 71 .62 32.67 .870 <br /> 18.0 71 .07 32. 12 .855 <br /> 20.0 70.55 31 .60 .842 <br /> 25.0 69.31 30.36 .809 <br /> 30.0 68.07 29. 12 .775 <br /> 35.0 66.93 27.98 .745 <br /> 40.0 65.77 26.82 .714 <br /> 45.0 64.71 25. 76 .686 <br /> 50.0 63.76 24.81 .661 <br /> 60.0 61 .80 22.85 .609 <br /> 70.0 60.13 21 .18 .564 <br /> 80.0 58.51 19.56 .521 <br /> 7-2-29 Revised 04/11/88 <br />