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PEA BODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />a <br />t <br />Y • <br />s <br />o <br />Mine: Monitor Well Name: YSAL12 <br />Location Coors: S 4~77o w 8672 Lithologie Unit Monitored: Sage Creek alluvium <br />Ground Surface Elev: 7367 Total Depth: 40.D feet <br />Peabody Personnel: none (uSGS) Driller: Draggoo <br />Type of Drilling: auoer Drilling Fluid: None <br />Borehole Diameter: 7.25 inches Completion Date: 08J11J80 <br />Well Construction Diagram Completion Details <br />Depths Details Casing Specs: Blank 4" schedule 40 PuC <br />Perforated 4" schedule 40 slotted PVC <br />Top tap <br /> Blank Interval(s) 0.0 - 5.o feet <br />o.D_ Cement Perforated Interval(s) 5.0 - 40.0 feet <br />, <br />3.0- Blank <br />5.0- casing <br />I <br />I Packer and/or Cement Basket Set At None <br /> <br /> <br />open <br />Completio I <br />I I <br />III <br /> <br />I <br />I Bentonite Seal From To <br />Cement Seal From 0.o To 3.0 <br />Gravel Pack From none To <br />Casing Height or MP Above Ground Surface <br />Additional Details <br />Slotted I <br /> <br />casing I <br /> II I <br />I Development Summary <br /> { <br />I <br /> l <br /> I l Comments: <br /> l <br /> I <br />i <br /> I ~I <br />4 0.0 - TD <br />Fnd Cap <br />7-1-26 <br />