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MONITOR WELL DRILLING AND CONSTRUCTION SUMMARY <br /> NUCLA AND NUCLA EAST MINES <br /> Monitor Well Name GW-N18(WNOO18) Geologic Unit Monitored Dakota Coal Overburden <br /> Elevation Ground Level (ft-amsl ) 5673.25 <br /> Location: N 59792R_F5R E 1 ,1 1 79f11 _37 T4r, N R 1 r_W SA _B_ _C- _ <br /> Total Drill Depth (ft) 30.0 <br /> Total Well Depth (ft) 80.0 <br /> Drilling Details <br /> Borehole Diameter (in) 6 3/4" Rig Speedstar 1500 <br /> Bits Tricone Driller Allan Chi1Ps <br /> Drilling Fluid Air and Mud <br /> Additional Details <br /> Drilling/Construction: Start 06/13/86 Finish 06/19/86 <br /> Lithologic Log (Y/N)_ N <br /> Geophysical Log (Y/N) N <br /> Construction Details <br /> Casing Specs: Blank 4"id PVC sch40 Perforated 0.02" slot <br /> Perforated Interval (s) 10.2' - 80.0' <br /> Packer and Cement Basket Set At NA <br /> Cement From 0.0' To 5.0' <br /> Bentonite Slurry From NA To <br /> Gravel Pack From 5.0' To 80.0' <br /> Additional Details <br /> Development Summary Developed with air/water injection and air for a total of 3 <br /> hours producing approximately 10 gpm <br /> Coaunents, Problems <br /> D-13 Revised 11/01/86 <br />