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PEABODY COAL COMPANY - WESTERN DIVISION <br />h;ONITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />Mine: Yoast Monitor 4Je11 Name: YOV9 <br />Location Coors:S 39844 W 7122 Lithologic Unit Monitored: Wade Overbur <br />Ground Surface Elev: 7590 Total Depth: 135 ft. <br />Peabody Personnel: Williams (ntrs) Driller: Vernier,•E11iot <br />Type of Drilling: Rotary Drilling Fluid: Air <br />Borehole Diameter: 6.75 in. Completion Date: 10-2-80 <br />Well Construction Diagram ~ Completion Details <br />Depths Details <br />See Accompanying <br />Well Construction <br />Diagram <br />Casing Specs: Blank 4 inch PVC <br />Perforated 4 inch PVC with vertical slots <br />(115 to 125 ft) 4 inch PVC screen (125 to 135 ft.) <br />Blank Interval(s) n to 135 ft. <br />Perforated Interval(s) 115 to 125 ft <br />125 to 135 ft <br />Packer and/or Cement Basket Set <br />(slots) <br />(screen) <br />5 and 115 ft. <br />Bentonite Seal From To <br />Cement Seal From 90.7 To 115 ft. <br />Gravel Pack From To <br />Casing Height or MP Above Ground Surface <br />Additional Details Five-foot cement plug at surface. <br />Development Summary <br />Comments: <br />7-1-60 <br />