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OXBOW MINING, LLC <br />3737 Hwy 133 P.O. Box 535 Somerset, Colorado 81434 USA Tel (970)929 -5122 Fax <br />(970)929 -5177 <br />March 30, 2012 <br />Mr. Brock Bowles <br />Environmental Protection Specialist <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, Colorado, 80203 <br />Re: Oxbow Mining LLC, Permit No. C- 1981 -022, Request for MR -99 — Four Additional Angle <br />(Directional) Boreholes, Panel LW -17. <br />Dear Mr. Bowles, <br />RECEIVED <br />APR 0 2 2012 <br />Division of Reclamation, <br />Mining and Safety <br />Oxbow Mining, LLC requests a Minor Revision No. 99 to Permit C- 1981 -022. The purpose of the MR is to <br />provide for an additional four (4) angle boreholes on three (3) existing GVB pads. The boreholes are <br />designated GVB- LW- 17 -05B, 17 -06D, 17 -08D and 17 -08E. The 17 -05B borehole is on an existing pad <br />located on private surface and the other 3 boreholes are on existing pads located on USFS surface. <br />As the Division is aware, due to ground control issues, MSHA required Oxbow to conduct a mine plan <br />change on Panel 17 with an additional barrier pillar and narrowed panel. As a result, the function of the <br />existing GVB's to gather methane had been compromised. It is anticipated that the completion of these <br />additional proposed GVBs will improve methane collection and improve mine safety. <br />We are also including an updated Exhibit 2.04 -E3, Geologic Information, Item 9 - Methane Drainage Well <br />Information and an updated Map 2.05 -M1, Sheet 6 of 6, General Facilities Gobvent Boreholes (to be <br />submitted later under separate cover). <br />Please contact me at (970) 929 -5806 should you have questions or require further information. <br />Sincerely, <br />' <br />James A. Kiger <br />Environmental Manager <br />Attachments <br />Xc: BLM <br />USFS <br />Delta County and Gunnison County Planning Departments <br />Paonia Library <br />Jim Cooper (OMLLC) <br />Files <br />