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Oxbow Mining LLC <br />Elk Creek Mine <br />Hole Number: GVB 17-06B Project ID.: Elk Creek Mine Gob Vent Boreholes <br />Lease Number: COC -61357 (State or Federal) Surface Owner: USFS <br />Date Commenced: 27 -Jun -11 Date Completed: 6 -Jul -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: Jason Grundy Helper: Kenny <br />Kirk Homedew Will Juusola Cameron <br />Coordinates: N. 17212.30 E. 37741.35 <br />Location: Township, Range & Section: SW 1/4, Sec. 32, T. 12 S., R. 90 W. <br />Ground Elevation: 8226' Collar Elevation: <br />Geophysical Log Measured From: ground Elevation <br />Total Depth: 2485' Probe Depth: NA 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: 0-1951' Recovered (Y or N): N <br />Depth: 1911-2485' 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 40-1951' <br />Core: <br />Bottom Hole 8 3/4" PDC from 1951-2485' <br />Footage Plugged: 0-2485' Cored: NA <br />Drilling Medium: Air: Foam /Water: Mud: Foam Injection: <br />Depths: 0-40' 40-2485' <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: directional hole- no logging <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:— N No. of Bags: 2 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 39.8' inside 9 5/8" casing. <br />294.3' slotted 7" casing below 279.5' solid 7" casing. Landed at 2482'. <br />Drilled directionally from 504-1952'. Bottom of 9 5/8" casing located 330' at azimuth 300.66 degrees, <br />9 5/8" casing abandoned to surface with 34 cubic yards portland cement slurry July, 2012. <br />Himes Drilling Colorado water well license #1285 <br />