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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />t <br />r • <br />oas <br />Mine: Monitor Well Name: YSAL9 <br />Location Coors: S 397 02.44 W 8779.87 Lithologic Unit Monitored: Sage Creek Alluvium <br />Ground Surface Elev: 7323.90 Total Depth: 20.O.feet <br />Peabody Personnel: None (USGS) Driller: Arguello <br />Type of Drilling: eota~ Drilling Fluid: air <br />Borehole Diameter: 6.75 inches Completion Date: i0/04/80 <br />Well Construction Diagram <br />Depths Details <br />iop Cap <br />0.0. GS <br />Cement <br />Blank <br />casing <br />5.0- ~~ <br />Completion Details <br />Formation <br />packer <br />Open _ <br />Completi <br />20.0 <br />Slotted <br />Casing' <br />iD <br />End Cap <br />Casing Specs: Blank 4~~ schedule 4o PVC <br />Perforated 4 ~~ scheudule 40 slotted PVC <br />Blank Interval(s) 0.0 - 5.0 feet <br />Perforated Interval(s) 5.0 - <br />Packer and/or Cement Basket Set At 5.0 feet <br />Bentonite Seal From To <br />Cement Seal From o.o To 5.0 <br />Gravel Pack From None To <br />Casing Height or MP Above Ground Surface <br />Additional Details <br />Development Summary <br />Comments: <br />7-1-20 <br />