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PEABODY COAL COMPANY - WESTERN DIVISION <br />t4ONITOR WELL CONSTRUCTION AND COMPLETION SUhIh1ARY <br />Peabody Personnel:_ <br />Type of Drilling:_ <br />Borehole Diameter <br />Mine: voast <br />Location Coors: s 37zi6.87 <br />Ground Surface Elev: 7230 <br />_ Monitor Well Name: YSAL4 • <br />u s385.DO Lithologic Unit tlonitored:sage Creek ailuviu <br />Total Depth: 59.0 feet <br />None (USGS) Driller: Draggco <br />auger Drilling Fluid: None <br />7.z5 inches Completion Date: 7/z4! 80 <br />Well Construction Diagram <br />Depths Details <br />Top Lap, <br />Completion Details <br />Casing Specs: Blank 2" schedule 4o PuC <br />Perforated 2" schedule 40 slotted PVC <br />Blank Interval(s) o.o - 5.o feet <br />0.0_ Cement <br />Blank <br />casing <br />5.0 _ <br />Slotted <br />casing <br />Sand <br />pack <br />Packer and/or Cement Basket Set At none <br />Bentonite Seal From To <br />Cement Seal From sa n To so n <br />Gravel Pack From 5.0 To 54.0 <br />Casing Height or MP Above Ground Surface <br />Additional Details <br />Development Summary <br />Comments: <br />54,0 - <br />Blank <br />casing <br />59.0 _ iDement -- <br />End Ca <br />54.0 - 59.0 feet <br />Perforated Interval(s) 5.0 - 54 .o reef <br />7-1-10 <br />