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Oxbow Mining LLC <br /> Elk Creek Mine <br /> Hole Number: GVB 11-01 B Project ID.: Elk Creek Mine Gob Vent Boreholes <br /> Lease Number: COC-61357 (State or Federal) Surface Owner: USFS <br /> Date Commenced: 11-Aug-07 Date Completed: 1-Sep-07 <br /> Contractor: Stewart Bros. Rig Type: Failing 2500 Rig 45 <br /> Geologist: Doug Allen Date: 15-Jan-08 Toolpusher: Justin Barris <br /> Driller: Bryan Joe Truck Driver: J. Billy Helper: S. Platero <br /> Bryan Tulley T. Martinez C. Charley <br /> Earl Martinez D. Hudson 0. Chacho <br /> Coordinates: N. 19852.34 E. 27335.57 <br /> Location: Township, Range&Section: NE 1/4 Sec.35,T.12S.,R.90W. <br /> Ground Elevation: 8193, Collar Elevation: <br /> Geophysical Log Measured From: Ground Elevation <br /> Total Depth: 2220' Probe Depth: 2212' Fluid Level: NA <br /> Casing Type: steel,T&C Size: 9 5/8" <br /> Casing Type: steel, FJ Size: 7"(5 slotted,5 solid) <br /> Depth: 9 5/8":0-2000' Recovered(Y or N): N <br /> 7"; 1952-2152' N <br /> Bit Information <br /> Surface Casing 17"Tricone to 20; (14"surface casing) <br /> Main Hole (Reamed) 12 1/4"Tricone to 2000' <br /> Core: NA <br /> Bottom Hole 8 3/4"Tricone to 2220' <br /> Footage Plugged: 2220' Cored: NA <br /> Drilling Medium: Air: Foam/Water: Mud: Foam Injection: <br /> Depths: 0-20' 20-2220' <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: 2180-2195' <br /> Geophysical Logging Contractor: Jet West Geophysical, LLC <br /> Logs Run: Gamma: X Neutron: <br /> Temperature: Density: X <br /> Resistivity: X Caliper: X <br /> Other(SP, Foc. Elec., Drift, Dep.,Sonic): Deviation:45' @ 235 deg. <br /> Hole Cemented(Y or N ), Type: Y No.of Bags: 10 yds pooland for 9 5l8 annulus <br /> Interval: to surface <br /> Coal Core Sent To: NA Rock Sent To: NA <br /> Comments: Drilled 8 3/4"pilot hole to verify mineable thickness,then reamed <br /> 121/4 to 2000'for 9 5/8"casing. Cuttings filled bottom hole during reaming,cleaned out to 2180'. <br /> 9'cement plug from 2152-2161'. Bottom of 7"slotted casing 30'above D2 seam(2182-219&). <br /> Rig 45 redirected on 8/20 to begin GVB 09-02,bottom hole completed by Rig 48 on 9/1/07. <br /> 9 5/8"casing abandoned to surface with 24 cubic yards portland type 11 cement July,2008, <br />