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'll'I'~I'~~~'~~' ~II <br />United States Department of the Interior <br />BUREAU OF LAND MANAGEMENT <br />Little Snake Resource Arca <br />I?g0 Indusvial <br />~'ECE1!f~p Graig,Coloado8l6?5 <br />In Reply Refer To: <br />3450 (170) <br />JAN Q2 19gB COC•546080 <br />COD•052547 <br />" ,",,,~ r2ls & Geo;onY <br />Decembel 30, 1997 <br />Mr. Richard Mills <br />Environmental Manager <br />Twentymile Coal Company <br />29515 Routt County Road #27 <br />Oak Creek, Colorado 81467 <br />Re: Resource Recovery and Protection Plan (R2P2) Modification No. 6, <br />Twentymile Coal Company <br />We have completed our review of your R2P2 modification dated October 27, 1997. <br />The areas to be dropped in this modification were previously identified as <br />unminable by the BLM. Our inspections have noted the safety concerns, <br />difficult conditions, and high costs incurred by Twentymile while attempting <br />to mine through the fault and up the steep dip on the western end of the <br />Eastern Mining District. <br />This modification affects maximum economic recovery of the federal coal <br />resource. The federal recoverable coal reserves will be adjusted as follows <br />on the three federal leases impacted. According to our records the federal <br />recoverable reserve figure for D-052547 was established in 1986 and was never <br />adjusted upward to include the steep grade coal. The federal recoverable coal <br />reserve number for lease D-052547.wi11 not change with this modification. <br />Lease Current Federal Reserves Revised Federal Reserves <br />C-54608 23,784,000 tons 22,042,000 tone <br />C-081330 14,410,000 tons 12,146,000 tone <br />D-052547 2,130,000 tons 2,130,000 tons <br />The Poidel Creek R2P2 Modification No. 6 is approved. <br />If you have any additional questions, please contact Jerry Strahan at (970) <br />824-4441. <br />7 ~ <br />~ Joh E. Husba d <br />Ac Managel . <br />-nt z 8 <br />cc: LaIIy Kline, OSM <br />Mike Long,' DMG <br />