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00 <br />'00 R <br />9100- <br />XBOW MINING, LLC <br />3737 Hwy 133 P.O. Box 535 Somerset, Colorado 81434 USA Tel (970)929-5122 Fax <br />(970)929-5177 <br />May 24, 2010 <br />Mr. Mike Boulay <br />Environmental Protection Specialist <br />Colorado Division of Reclamation, Mining and Safety g9 <br />101 South 3rd, Suite 301` <br />Grand Junction, CO. 81501 MAY 2 7 <br />Re: Oxbow Mining LLC, Permit No. C-1981-022 p+vwum 01 e ? ` <br />TR-69 - Revised Mine Plan. wsn <br />Dear Mr. Boulay, <br />This letter is to request Technical Revision No. 69 to the Oxbow Mining LLC (OMLLC) Permit <br />No. C-1981-022. <br />The purpose of the TR-69 is to update the Elk Creek Mine's mineplan as represented on the <br />attached Map 2.05-M2, Elk Creek Mine, 5-Year Mining Plan. The attached revised map updates <br />1) the layout of the mined out areas; 2) updates the mine plan for the north District panels LW-15 <br />through LW-19 after recent approvals of gate road plans by MSHA and 3) adds a new eastern <br />Panel LW-20 to the mineplan. The Panel LW-20 is located entirely on Oxbow Fee surface and <br />includes only private coal resources owned by Oxbow. <br />The Division should recall that the entire 125 acre LW-20 area has historically undergone <br />previous mining of B and C seam by the historic U.S. Steel, Somerset mine. The LW-20 area <br />also lies south of the Federal Lease by Application COC 70615 area. <br />The Division is aware of our efforts to obtain Federal Coal Lease COC 70615 (the East Elk East <br />Lease) but the lease sale has been delayed by the BLM in order to conduct additional analysis on <br />the EA. Oxbow had originally intended to revise the Map 2.05-M2 Mineplan as one action for <br />both the Federal coal plus the fee coal of Panel LW-20. Unfortunately, due to delays in the <br />conclusion of the BLM action, we are left with today's action to provide for only the mining of <br />the fee coal. Upon successful sale of the East Elk Creek Lease, we will once again modify the <br />mine plan to include the both the Federal coal and any remaining fee coal. <br />0 Page 1