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Oxbow Mining LLC <br /> Elk Creek Mine <br /> Hole Number: GVB 10-03B Project ID.: Elk Creek Mine Gob Vent Boreholes <br /> Lease Number: COC-61357 (State or Federal) Surface Owner: USFS <br /> Date Commenced: 20-Apr-08 Date Completed: 1-May-08 <br /> Contractor: Boart Longyear Rig Type: LK38A <br /> Geologist: Doug Allen Date: 11-Nov-08 Toolpusher: Paul Breider <br /> Driller: S. Balenseifer Truck Driver: B. Cox Helper: J. Hamilton <br /> J.Jessop R.Ostler P. Cramer <br /> Coordinates: N. 18891.82 E. 27324.14 <br /> Location: Township, Range&Section: SE 1/4 Sec.35,T,12S., R.90W. <br /> Ground Elevation: 8171' Collar Elevation: <br /> Geophysical Log Measured From: ground Elevation <br /> Total Depth: 2328' Probe Depth: NA Fluid Level: NA <br /> Casing Type: steel Size: 14" <br /> Casing Type: steel T&C Size: 9 5/8" <br /> Depth: 0-20' Recovered(Y or N): N <br /> Depth: 0-2217' Recovered(Y or N): N <br /> Bit Information <br /> Surface Casing 16"Tricone to 20' <br /> Main Hole 12.319" Hammer to 723'/12 1/4"Tricone to 2217' <br /> Core: <br /> Bottom Hole 8"Hammer to 2328' <br /> Footage Plugged: 2328' Cored: 0 <br /> Drilling Medium: Air: Foam/Water: Mud: Foam Injection: <br /> Depths: 0-20' 20-2328' <br /> Lost Circulation Depths: NA Regained? (Y or N): <br /> Water Invasion Depth or Intervals: NA Estimated Inflow Rates: <br /> Gas Invasion Depth or Interval: NA <br /> Geophysical Logging Contractor: NA <br /> Logs Run: Gamma: Neutron: <br /> Temperature: Density: <br /> Resistivity: Caliper: <br /> Other(SP,Foc. Elec.,Drift, Dep.,Sonic): <br /> Hole Cemented(Y or N ),Type: Y No.of Bags: 16 Supersacks <br /> Interval: tosurface <br /> Coal Core Sent To: NA Rock Sent To: NA <br /> Comments: 115'slotted 7"casing below 38'solid 7"casing for bottom hole. <br /> 7"overlaps 42'inside 9 5/8"casing. <br /> 9 5/8"casing abandoned to surface with 25 cubic yards portland type 11 cement July,2008. <br />