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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />Mine: Seneca [I Monitor Well Name: GW-560 <br />Location Coors: 5(25392.65). E(11603.86) <br />Ground Surface Elev: 6893.15 Total Depth: 22.9 ft. <br />Peabody Personnel: T. Smith Driller: Winnek Drilling Co. <br />Type of Drilling: Hollow Stem Auaer Drilling Fluid: none <br />Borehole Diameter: 12 inch Completion Date: 9/11/87 <br />Well Construction Diagrzm i Completion Details <br />L J <br />Depths ~ Deta ils i Casing Specs: Blank 4 inch schedule a0 ovc. flush threaded <br /> ' Perforated inch schedule a0 Dvc, 6 columns of <br /> <br />roo Can hnri~nntal mill clo s wi h 0.02-0.025 inch openings <br />'' Blank Interval(s) 0-13.1 feet <br />o.o - Perforated Interval(s) 1-22 ft <br /> <br /> <br />f, ement j / Packer and/or Cement Basket Set At <br />~ none <br />firout <br /> j <br />5 <br />0 ~ Bentonite Seal From <br />T <br />. <br />- o <br />none <br /> <br />o; ,oo <br />o, <br />Cement Seal From 0.0 ft To 5.0 ft_ <br />Blank Gravel Pack From S_n ft_ To ?~_9 ft_ <br />[acing e~ <br />00 ~ <br /> <br />o~ Casing Height or MP Above Ground Surface ~-22 ft_ <br />to.~ o0 0o Additional Details <br /> oe <br />oo° <o <br />o0 <br /> o.o 00 <br /> oe <br />° sa <br /> oo <br />oe <br />< 3/e inch <br />oo° <br /> <br />P <br />G <br />l 00 °o <br />rave <br />ea <br />t5,0 - <br /> <br />~~~ _ <br />ao <br />Development Summary Developed by USGS usrnn .ttr infection <br /> - ~o <br />'dell _ <br /> <br />jrf?en _ <br />' -- <br />~._ <br /> <br />- ~ Comments: <br /> <br />I i <br />~ <br />`?.) - ' <br />~i, -,~ ~:in ! <br />7-1-68 <br />