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PE.4BODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />Mine: Seneca II Monitor Well Name: GW-559 <br />Location Coors: S(25358.911. E(11627.35) <br />Ground Surface Elev: _~.3gg.92 Total Depth: 33 ft. <br />Peabody Personnel: T. Smith Driller: Winnek Drilling Co. <br />Type of Drilling: Hollow Stem Aug_er Drilling Fluid: none <br />Borehole Diameter: 12 inch Completion Date: 9/11187 <br />Well Construction Diagram ; Completion Details <br />Details <br />ioo Cap <br />o.o _ <br />Cement <br />Grout <br />6.5 - [~ <br /> 10.fY- a o o <br />a1anN <br />oe <br />iCasing e o - ° ° <br /> °° - <br />- °° <br />oa <br /> <br /> <br />cell sa <br /> <br />- °° <br />°° <br />°° <br /> °° <br />Screen i;o 00 <br /> <br /> 20.0- o e ; e <br /> ° ° ... _ ° ° <br /><° <br /> <br />~ <3/e inch <br />;o <br />- °° <br />oa <br />Pea Grav=1 k;e~ - go <br />,°° <br />i <br />o.a- <br />o ~ <br />;.~- <br />• <br />Casing Specs: Blank 4 inch schedule a0 pvc, flush threaded <br />Perforated 4 inch schedule 40 pvc, 6 columns of <br />horizontal mill slots with 0.02-0.025 inch openings <br />Blank Interval(s) 0-12.6 feet <br />Perforated Interval(s) 12.6-33.0 feet <br />Packer and/or Cement Basket Set At none <br />Bentonite Seal From none To <br />Cement Seal From 0.0 ft. To 6.5 ft: <br />Gravel Pack From 6.5 ft.- 70 33.0 ft. <br />Casing Height or MP Above Ground Surface 2.88 ft. <br />Additional Details <br />Development Summary rlnyulnoarl ~y n~,S ::;~:,~,~r 'njec* _n <br />', Comments: <br />i <br />~n~ Cao 7-1-66 <br />