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DRILL HOLE INFORMATION FORM <br /> Kennecott Energy-Colowyo Mine <br /> Project: Collom Hole ID: C-04-20 <br /> Colowyo Project Manager Juan Garcia Hole Type(pilot,spot core,full core,well,geotech,etc) Full core <br /> Geologist(Company) Miller/Stalker Date Hole Started 7122/2004 Date Hole Finished 8(712004 <br /> Easting 1327958 35 Northing 350928 28 Ground Elevation. 746039 TO 862 <br /> Location(Qtr/Qtr,Section,T&R) NE SW Section 35 T4N R94W Depth of Weathering 185 <br /> County and State Moffat,Colorado Coordinate Type SPC Surveyed(y/n) Yes <br /> Drilling: <br /> Drilling Company Sharpe Drilling Rig Type. Midway 10 Driller B Andreatta <br /> Surface Casing Type&Size 6"PVC Interval Depths 0-185 <br /> Other Casing Runs Interval Depths <br /> Casing Recovered(y/n) No <br /> Drilling Methods Hole&Core <br /> Rotary or Core From To Diameter Bit Type Ream Interval <br /> Rotary 0 185 7 7/8" Tricone <br /> Core 185 862 4 7/8" Chnsbit <br /> Drilling Medium <br /> From To Medium and Additives <br /> 0 185 Air <br /> 185 862 Air/Foam <br /> Circulation&Hole Problems(depth lost,regained,etc) None <br /> Logging: <br /> Logging Company Century Geophysical Logger Name Robert Sipes Probe Depth 861 4 <br /> Date Hole Logged 8/7/2004 Logging Suite Gamma,Porosity,Caliper,Density,Temp,Resistivity <br /> Digital Lag Format LAS Other <br /> Sampling&Testing <br /> Sampling Information(cuttings frequency,spot coring,etc) Continuous Core Hole <br /> Coal Laboratory SGS-Denver <br /> Overburden Laboratory <br /> Gas Testing <br /> Geomechanical Testing, Call&Nicholas-Tucson <br /> Hole Completion &Reclamation <br /> Date Hole Plugged Date Site Reclaimed <br /> Backfill Materials and Depths <br /> Number of bags used Hole Marking Information <br /> Surface Reclamation <br /> Groundwater <br /> Static water Level(Log) 3105 Inflow(depth&production estimates) At approximately 596-estimate 6 gpm <br /> At approximately 616'--estimate 10 gpm <br /> Well Installation Details See complete Digram for PC-04-20F/G Details of well completion <br /> Comments Hole cored through KM <br /> Reviewed and corrected 8/24/04 <br /> Lith/Geotech/entered 8/26-27/04 <br /> Comp etion_torm_C-04-20 As Page of <br />