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PEABODY COAL COtdPANY - WESTERN DIVISION <br />MONITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />Mine: Yoast Monitor 4lell Name: 'Y L5 _ <br />Location Coors: S 37257 W 7642 Lithologic Unit Monitored: Lennox Coal <br />Ground Surface Elev: 7283 Total Depth: 54.0 ft. <br />Peabody Personnel: Driver (USGS) Driller: Arguello <br />Type of Drillino: Rotary Drilling Fluid: Water / Air <br />Borehole Diameter: 6.75 inches Completion Date: 9-23-80 <br />Welt Construction Diagram ~ Completion Details <br />Depths <br />Details <br />See Accompanying <br />IJell Construction <br />Diagram <br />Casing Specs: Blank 4 inch PVC <br />Perforated 4 inch PVC screen <br />Blank Interval(s) <br />0 to 50 ft. <br />Perforated Interval(s) 50 to 54 ft. <br />Packer and/or Cement Basket Set At lastic ackers at <br />5 and 50 ft. <br />Bentonite Seal From To <br />Cement Seal From 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 />Development Summary <br />Comments: <br />7-I-48 <br />