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Oxbow Mining LLC <br /> Elk Creek Mine <br /> Hole Number: GVB 17-02C Project ID.: Elk Creek Mine Gob Vent Boreholes <br /> Lease Number: COC-61357 (State or Federal) Surface Owner: Hotchkiss <br /> Date Commenced: 24-Aug-11 Date Completed: 3-Sep-11 <br /> Contractor: Himes Drilling Rig Type: Atlas Copco RD20 <br /> Geologist: Doug Allen Date: 26-Oct-11 Toolpusher: Matt Himes <br /> Driller: Jim Weatherton Truck Driver: Mike Hibberd Helper: Nick D. <br /> Kirk Homedew Will Juusola Jimmy L. <br /> Coordinates: N. 18128.41 E. 34310.34 <br /> Location: Township, Range&Section: SW 1/4,Sec.31,T.12 S., R,90 W. <br /> Ground Elevation: 8140' Collar Elevation: <br /> Geophysical Log Measured From: ground Elevation <br /> Total Depth: 2379' Probe Depth: 2355' Fluid Level: NA <br /> Casing Type: steel T&C Size: 9 5/8" <br /> Casing Type: sol/slot steel T&C Size: 7" <br /> Depth: 0-2076' Recovered(Y or N): N <br /> Depth: 1993-2343' Recovered(Y or N): N <br /> Bit Information <br /> Surface Casing 17" Hammer to 40' (14"surface casing) <br /> Main Hole 121/4" PDC from 40-2076' <br /> Core: <br /> Bottom Hole 8 3/4" PDC from 2076-2379' <br /> Footage Plugged: 0-2379' Cored: NA <br /> Drilling Medium: Air: Foam/Water: Mud: Foam Injection: <br /> Depths: 0-40' 40-2379' <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: Jetwest Geophysical <br /> Logs Run: Gamma: Y Neutron: <br /> Temperature: Density: Y <br /> Resistivity: Y Caliper: Y <br /> Other(SP, Foc.Elec., Drift,Dep.,Sonic): cement dump bailer <br /> Hole Cemented(Y or N ),Type: N No.of Bags: 6 yds for 9 5/8"annulus <br /> Interval: to surface <br /> Coal Core Sent To: NA Rock Sent To: NA <br /> Comments: 7"casing overlaps 83'inside 9 5/8"casing. <br /> Tagged gravel at 2352',bottom of 7"casing at 2343'. <br /> Attempted coal log, but unable to get below D2 rider. Gravel backfill and cement dump <br /> bailer run to 2355'.D2 depth determined to be 2360'+/-3'based on driller info and <br /> adjacent holes.Bottom of 9 5/8'casing located 406'at azimuth 78,54 degrees. <br /> 9 5/8"casing abandoned to surface with 22 cubic yards portland cement slurry July,2012, <br /> Himes Drilling Colorado water well license#1285 <br />