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MONITOR WELL DRILLING AND CONSTRUC7JON SUMMARY <br />~ NUCLA AND NUCLA EAST 141NE5 <br />Monitor Well NanieGW-N24(WM0024) _ Geoloyic Unit Munitored Overburden, <br />Elevation Ground Level (ft-amsl) 5764.05 _ Underburden <br />Location: N 603814.995 E 1,118342.28 T47 N R15 W S 31 B C C <br />Total Drill Depth (ft) 31.5 <br />Total Well Deptli (ft) 31.5 <br />Dakota Coal, and <br />Drilling Details <br />Borehole Diameter (in) 5 1/4 to 15.0'; 4 7/3 to 31.~~i9 Speedstar 1500 <br />Bits Tricone and Core Driller Allan Chiles _ <br />Grilling Fluid Air _ <br />Additional Details Exploration Nole X74-F __ <br />Drilling/Construction: Start 04/21/86 Finish 04/21/86 <br />Litlrologic Log (Y/N) Y <br />Geophysical Log (Y/tl) N <br /> <br />• <br />Construction Details <br />Casing Specs: Blank 2 id PUC sch40 Perforated 1,/g" saw slot <br />Perforated Interval(s) 25.5' - 31.5' _ <br />Packer Set At 5.0' <br />Cement Front 0.0' <br />To 5.0' <br />Bentonite Slurry From NA <br />Gravel Pack From NA <br />Additional Uetails Dry Flole <br />Tu <br />Development Sunmiary <br />Cormuents, Problems Top of Lower Dakota Coal at 15.7' <br />To <br />Bottom of Lower Dakota Coal at~. <br />D-24 Revised 11/01/86 <br />