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Oxbow Mining LLC <br />Elk Creek Mine <br />Hole Number: GVB 09 -01 B Project ID.: Elk Creek Mine Gob Vent Boreholes <br />Lease Number: COC -61357 (State or Federal) Surface Owner: USFS <br />Date Commenced: 30- Aug -07 Date Completed: 7- Sep -07 <br />Contractor: Stewart Bros. <br />Rig Type: Failing 2500 Rig 4 <br />Geologist: Doug Allen <br />Date : 15- Jan -08 Toolpusher: <br />Justin Bards <br />Driller: Jimson Billy <br />Truck Driver: S. Platero Helper: <br />Z. Asher <br />Bryan Tulley <br />T. Martinez <br />C. Charley <br />Ead Martinez <br />D. Hudson <br />0. Chacho <br />Coordinates: N. 18345.93 <br />E. 24931.23 <br />Location: Township, Range & Section: <br />SW 1/4 Sec. 35, T.12S., R.90W. <br />Ground Elevation: 7585' <br />Collar Elevation: <br />Geophysical Log Measured From: <br />Ground Elevation <br />Total Depth: 1458' <br />Probe Depth: 1440' (camera) Fluid Level: <br />NA <br />Casing Type: steel, T &C <br />Size: 9 5/8" <br />Casing Type: steel, FJ <br />Size: 7 "(5 slotted, 2 solid) <br />Depth: 95/8":0-1360' Recovered (Y or N): N <br />7 ": 1300 -1440' N <br />Bit Information <br />Surface Casing 17" Tdcone to 20'; (14" surface casing) <br />Main Hole 12 1/4" Tdcone to 1360' <br />Core: NA <br />Bottom Hole 8 3/4" Tdcone to 1458' <br />Footage Plugged: 1458' Cored: NA <br />Drilling Medium: Air: Foam/Water: Mud: Foam Injection: <br />Depths: 0 -20' 20 -1458' <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: Jet West Geophysical, LLC <br />Logs Run: Gamma: Neutron: <br />Temperature: Density: <br />Resistivity: Caliper: <br />Other (SP, Foc. Elec., Drift, Dep., Sonic): Videolog casing <br />Hole Cemented( Y or N ),Type: Y <br />Coal Core Sent To: NA <br />No. of Bags: 2 yds potand for 9 5/8 annulus <br />Interval: to surface <br />Rock Sent To: NA <br />Comments: Hole drilled post - longwalling, into roof gob. 2' void encountered Q 1445; <br />top of D2 seam estimated at 1465'. 7" casing set on bottom of hole at 1440'. Videolog casing <br />after methane pump would not pull enouqh qas to operate. Casino appears fine- pump removed. <br />9 5/8" casing abandoned to surface with 26 cubic yards portland type 11 cement July, 2009. <br />