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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />~ine: YOAST Monitor 41e11 Name: YOV19 <br />Location Coors: S 36982 W 4815 Lithologic Unit Monitored <br />Ground Surface Elev: 7679 <br />Peabody Personnel:- Driver (USGS) <br />Type of Drillina:_ <br />Borehole Diameter: <br />4.75 in. <br />Well Construction Diagram <br />Depths <br />Rotary <br />Details <br />Total Depth: 27 ft. <br />Driller: Arguello <br />Drilling Fluid: Air <br />Completion Date: 8-11-80 <br />lJadge Overburden <br />Completion Details <br />Casing Specs <br />Blank <br />Perforated <br />2 inch <br />2 inch PVC with vertical slots <br />See Accompanying <br />Well Construction <br />Diagram <br />Blank Interval(s) <br />Perforated Interval(s) <br />Otol2ft. <br />12 to 27 ft. <br />Packer and/or Cement Basket Set At 5 and 12 ft. <br />Bentonite 5ea1 From To <br />Cement Seal From To 12 ft. <br />Gravel Pack From To <br />Casing Height or MP Above Ground Surface <br />Additional Details Unrecorded amount of cement on top of <br />packer at 12 ft. 1.5 ft. of cement on top of nacker <br />at 5 ft. with dirt filled into surface. <br />Development Summary <br />Comments: <br />7-1-69 <br />