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DRILL HOLE INFORMATION FORM <br />Kennecott Energy - Colowyo Mine <br />• <br />Project: Collom <br />Hole ID: <br />C -04 -20 <br />Colowyo Project Manager. <br />Juan Garcia <br />Hole Type (pilot spot core, full core, well, geotech, etc.): <br />„Full core <br />Geologist (Company): <br />Miller /Stalker _ <br />Date Hole Started: 7/22/2004 <br />Date Hole Finished <br />8/7/2004 <br />Easting: 1327958.35 <br />Northing: <br />35092B.28 Ground Elevation: <br />_ ._. <br />7460.39 TD: <br />862 <br />__. .. <br />.-. <br />Location (Qtr /Qtr, Section,T & R): <br />NE SW Section 35 T4N <br />R94W <br />Depth of Weathering. <br />18.5 <br />County and State Moffat Colorado <br />Coordinate Type SPC <br />Surveyed (y /n): <br />Yes <br />Drilling: <br />Drilling Company: <br />Sharpe Drilling <br />Rig Type: Midway 10 <br />Driller: <br />B Andreatta <br />Surface Casing Type & Size: <br />6 "PVC,,, <br />_- Interval Depths: <br />Other Casing Runs: <br />Interval Depths <br />Casing Recovered (y /n): <br />No <br />Drilling Methods: <br />Hole & Core <br />Rotary or Core <br />From <br />To Diameter <br />Bit Type <br />Ream Interval <br />Rotary <br />0 <br />18 5 7 7/8" <br />Tncone <br />Core _ <br />18.5 <br />862 4 7/8" <br />Chnsbd_ � .. <br />Drilling Medium: <br />From To Medium and Additives: <br />0 18.5 Air <br />18.5 _ 862 Air /Foa� <br />m <br />Circulation & Hole Problems (depth lost, regained, etc.): ,None,,,,,__ <br />Static water Level (Log): 310 5 Inflow (depth & production estimates): At approximately 596- estimate 6 <br />At approximately 616' -- estimate 10 gpm <br />-.. <br />Well Installation Details: See complete Digrem for PC-04- 20F /G Details of well completion <br />0 1 Comments Hole cored through KM <br />Reviewed and correcte <br />Completion_rorm_C- 04 -20. xis <br />Page of <br />