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CL <br />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 />February 22, 2008 <br />FES `Z 2 2008 <br />Mr. Joe Dudash ;,a?nation, <br />Environmental Protection Specialist Gnd safety <br />Colorado Division of Reclamation, Mining and Safety Mining <br />1313 Sherman Street, Room 215 <br />Denver CO. 80203 <br />Re: Oxbow Mining LLC, Permit No. C-1981-022 <br />TR-58 Application for Mine Plan Change, Additional Gob Vent Boreholes. <br />Dear Mr. Stark, <br />The purpose of this letter is to request Technical Revision No. 58 to the Oxbow Mining LLC <br />(OMLLC) Permit No. C-1981-022. This TR provides for an additional angle borehole located at <br />the existing GVB-LW10-03 pad site (referred to as GVB-LW10-03B) and an additional angle <br />borehole located at the existing GVB-LW 10-04 pad site (referred to as GVB-LW 10-03Q. Due <br />to a mid-panel move on Panel 10 an additional angle borehole is deemed to be necessary to <br />adequately ventilate the mine gob located between the GVB-LW 10-03 site located on USFS <br />managed lands and the GVB-LW10-04 site located on BLM managed lands. Successful <br />completion of the first borehole attempt may negate the requirement for completion of the <br />second borehole. <br />Oxbow has also been working these two boreholes through the USFS and BLM approval <br />processes and recognize the need for right of entry information before final CDRMS approval. <br />The cross section and plan view projections are shown on the attached GVB-10-03B and GVB- <br />10-03C drawings. A revised Drawing 2.05-M1, Sheet 6 of 6, "General Facilities, Gob Vent <br />Boreholes." will be submitted upon revision adequacy. In addition, we are submitting a revised <br />PAP pages for Exhibit 2.04-E3, Item 9 - Methane Drainage Well Information. <br />OMLLC has previously permitted gob vent borehole programs (TR 46, 48, 53, 54, 56 and 57). <br />The subject of this TR is consistent with the previous submittals. <br />Site Construction, Operation and Reclamation <br />The project will be very similar to that which had previously taken place for current borehole <br />sites. Overall, the sites will be accessed via the pre-existing Bear Creek canyon ranch road. As <br />0 Page 1