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40e'0*-; ^00 <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 />September 13, 2010 V <br />Mr. Mike Boulay A S z?io <br />Environmental Protection Specialist SR ??on, <br />Colorado <br />South 3`d Division Suite 301eclamation, Mining and Safety p??1O? °t <br />and Sa*y <br />wining <br />Grand Junction, CO. 81501 <br />Re: Oxbow Mining LLC, Permit No. C-1981-022 Request for MR-92 - Two Angle Boreholes LW- <br />16-01 D and LW- 16-0 1 E. <br />Dear Mr. Boulay, <br />Oxbow Mining, LLC requests a Minor Revision No. 92 to Permit C-1981-022. The purpose of the MR is <br />to provide for two angle boreholes ( LW-16-OID and LW-16-01E) to be located at the existing GVB-16- <br />01C gob vent borehole site. <br />The purpose of the two boreholes are to enhance the drainage of methane by attempting to intercept a <br />linear geologic joint or fracture feature expected to occur between the GVB LW-16-OIC borehole and the <br />GVB-LW-16-02 borehole. This NE/SW trending joint feature, when encountered further north in gate <br />road development, has resulted in exceptional inflows of methane gas. <br />We are also including an updated Exhibit 2.04-E3, Geologic Information, Item 9 - Methane Drainage <br />Well Information. An updated Map 2.05-M1, Sheet 6 of 6, General Facilities Gobvent Boreholes will be <br />forthcoming. <br />Please contact me at (970) 929-5806 should you have questions or require further information. <br />Sincerely, <br />( k('? <br />ames 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 />0 Page 1