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Oxbow Mining LLC <br />Elk Creek Mine <br />Hole Number: GVB 16-06 Project ID.: Elk Creek Mine Gob Vent Boreholes <br />Lease Number: COC -61357 (State or Federal) Surface Owner: USFS <br />Date Commenced: 28 -Jul -10 Date Completed: 1 -Aug -10 <br />Contractor: Himes Drilling <br />Geologist: Doug Allen <br />Driller: Jim Weatherton <br />Sam Homedew <br />Rig Type: Atlas Copco RD20 <br />Date : 5 -Dec -10 <br />Truck Driver: Kirk Homedew <br />Will Juusola <br />Toolpusher: Matt Himes <br />Helper: Sean Vivian <br />Cameron S. <br />Coordinates: N. 16020.26 E. <br />37536.83 <br />Location: Township, Range & Section: <br />SW 1/4, Sec. 32, T. 12 S., R. 90 W. <br />Ground Elevation: 8111' Collar Elevation: <br />Geophysical Log Measured From: ground <br />Elevation <br />Total Depth: 2293' Probe Depth: <br />Fluid Level: NA <br />Casing Type: steel T&C <br />Size: 9 5/8" <br />Casing Type: sol/slot steel T&C <br />Size: 7" <br />Depth: 0-2120' Recovered (Y or N): <br />N <br />Depth: 2057-2236' Recovered (Y or N): <br />N <br />Bit Information <br />Surface Casing 16" Tricone to 20' (14" surface casing) <br />Main Hole 121/4" PDC from 20-2120' <br />Core: <br />Bottom Hole 8 3/4" Tricone from 2120-2293' <br />Footage Plugged: 0-2293' Cored: NA <br />Drilling Medium: Air: Foam /Water: Mud: Foam Injection: <br />Depths: 0-230' 230-2293' <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:— Y No. of Bags: 13 yds for 9 5/8" annulus <br />Interval: to surface <br />Coal Core Sent To: NA <br />Comments: 7" casing overlaps 63' inside 9 518" casing. <br />Tagged gravel at 2241', tagged cement plug at 2236'. <br />Rock Sent To: NA <br />9 5/8" casing abandoned to surface with 30 yds portland type II cement September, 2011 <br />Himes Drilling Colorado water well license #1285 <br />