2025-07-22_REVISION - X201222311

• Permit No: X201222311
• IBM Index Class Name: Revision
• Doc Date: 7/22/2025
• Doc Name: Bond Release Request
• From: Oxbow Mining, LLC
• To: DRMS
• Type & Sequence: SL2
• Email Name: ERR
• Email Name: ZTT
• Media Type: D
• Archive: No

ci Oxbow Mining LLC
Elk Creek Mine
I
Hole Number: OM 13-31'
N01 Number: X-2012-223-11
Date Commenced: 5-Jan-13
Project'D.: Oak Mesa Exploration
(State or Federal) Surface Owner: Patterson
Date Completed: 31-May-13
Contractor:
Himes Drilling Rig Type: RD 20 R-10/ Portadrill R-7/ HC44 CR-7
Geologist:
Doug Allen Date : 21-Aua-13 Toolpusher: Matt Himes
Driller:
Sam Homedew Truck Driver: Chad Homedew Helper: Jimmy Lovato
Homedew Kirk Homedew Richard Moores
Coordinates: N.
_Galen
1406099.80 E. 2368420.37
Location: Township,
Range & Section: NW 1/4 Sec. 18, T. 13 S., R. 92 W.
Ground Elevation:
8763' Collar Elevation:
Geophysical Log Measured
From: ground Elevation
Total Depth:
2013.5' Probe Depth: 2010' Fluid Level: NA
Cas,'ng Type:
steel _&C Size: 7"
Casing Type:
steel a &C Size: 4.5"
Depth:
0-860' Recovered (Y or N): N
Depth:
_ 0-1869.6' Recovered (Y or N): N
Bit Information
Surface Casing
_
17.5" Hammer to 20' (14" surface casing)
Main Hole
9 7/8" Tricone from 20-860'
Cora:
3.83C" Core bit from 1744-2013.5' (2 3/8" core)
Botisrn Hole
61/4' Tricone from 860-1744'
Footage Pucgged:'- i 744' ' Cored: 1879.6-2175'
filling 1.1,edium: Air: Foam /Water: Mud: Air Core:
Depths: �0-20' 860-1744' 20-860' 1744-2013.5'
Lost Circulation Depths: NA Regained ? (Y or N):
Water Invasion Depth or Intervals: 1100,1420' Estimated Inflow Rates: 5,10 gpm
Gas Invasion Depth or Interval: NA
Geophysical Logging Contractor: Jetwest Geophysical
Logs Run: Gamma: X Neutron:
Temperature: Density: X _
Resistivity: Caliper:
Other (SP, Foc. Elec., Drift, Dep., Sonic):
Hole Cemented (Y or N ), Type: _ Y Ao. of Bags: Plug Gel: 450 gallons -
6 cubic yds cement
Interval: to surface
Coal Core Sent To: SGS Rock Sent To: Agapito f -
Comments: Hole precollared through boulders to 81�0' with RD20 R-10. Rotary drilled to core point 1744'
with Portadrill R-7 and cased with 4.5". Wireline cored , 3.5' with HC44 CR-7.
Himes Drilling Colorado water well license #1285