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PEABODY COAL COMPANY - WESTERN DIUISION <br />h~ONITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />Mine:Yoast Monitor 41e11 Name: YL6 <br />.Location Coors: S 37266 W 7645 Lithologic Unit Monitored: Lennox Coal <br />Ground Surface Elev: 7283 Total Depth: 54 ft. <br />Peabody Personnel: Driver (USGS) Driller: Arguello <br />Type of Drilling: Rotary Drilling Fluid: Water <br />Borehole Diameter: 6.75 inches Completion Date: 9!23/80 <br />Well Construction Diagrams Completion Details <br />Depths <br />Details <br />See Accompanying <br />Well Construction <br />Diagram <br />Casing Specs: Blank <br />Perforated <br />Blank Interval(s) <br />4.inch PVC <br />4 inch PVC with vertical slots <br />0 to 50 ft. <br />Perforated Interval(s) <br />Packer and/or Cement Basket Set At Plastic packers at <br />5 and 50 ft. <br />Bentonite Seal From To <br />Cement Seal From S 50 ft. (unrecorded)To 50 ft. <br />Gravel Pack From To <br />Casing Height or MP Above Ground Surface <br />Additional Details Cement surface plug from 0 to 5 ft. <br />Too of lower cement plug was not recorded. <br />Development Summary <br />Comments: <br /> <br />7-1-51 <br />