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Oxbow Mining LLC <br /> Elk Creek Mine <br /> Hole Number: GVB 08-01 Project ID.: Elk Creek Mine Gob Vent Boreholes <br /> Lease Number: COC-61357 (State or Federal) Surface Owner: USFS <br /> Date Commenced: 9/2006;6/2007 Date Completed: 12/2006;2/2007 <br /> Contractor: REI/Target Rig Type: Fletcher/UG Directional <br /> Geologist: Doug Allen Date: 15-Jan-08 Tcolpusher: <br /> Driller: REI:T. Fields Truck Driver: REI:S. Copley Helper: REI:Alan <br /> TGT:Koski/Speedy TOT:Bob/Taylor TGT:Koski/Alex <br /> Coordinates: N.17543.43/17501.z E.2998.18/22998.06 <br /> Location: Township,Range&Section: SW 1/4 Sec.35,T.12S.,R.90W. <br /> Ground Elevation: 6474/6466' Collar Elevation: <br /> Geophysical Log Measured From: Ground Elevation <br /> Total Depth: 840V 50' Probe Depth: NA Fluid Level: NA <br /> Casing Type: steel,welded Size: REI:10" <br /> Casing Type: steel,welded Size: TGT: 16" <br /> Depth: REI: 40' Recovered(Y or N): N <br /> Depth: TGT: 37' Recovered(Y or N): N <br /> Bit Information <br /> Surface Casing REI: 13 3/4"Tricone;TGT: 18"reamer <br /> Main Hole REI: 3 3/4"PDC pilot, reamed to 5 3/4" <br /> Core: NA <br /> Bottom Hole REI:3 3/4"PDC pilot to 840' <br /> Footage Plugged: 840' Cored: NA <br /> Drilling Medium: Air: Foam/Water: Mud: Foam Injection: <br /> Depths: 0-840' <br /> Lost Circulation Depths: sporadic from 0-840' Regained? (Y or N): 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: NA No. of Bags: <br /> Interval: <br /> Coal Core Sent To: NA Rock Sent To: NA <br /> Comments: Directional/angle hole attempted twice to vent methane in bleeder in <br /> west end of panel 8. Both attempts,with different contractors,failed, <br /> First attempt:REI Drilling sticks directional motor after encountering voids in gob. <br /> (drilled post-longwalling). Unable to retrieve,cemented in place during abandonment. <br /> Open hole abandoned to surface with 4 cubic yds. Portland Type II cement, December, 2006. <br /> Second attempt:Target Drilling unable to drill/set surface casing on proper alignment,dismissed. <br />