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J&T Consulting, Inc. <br />April 8, 2010 <br />Mr. Michael Cunningham <br />Environmental Protection Specialist <br />State of Colorado <br />Division of Reclamation, Mining, & Safety <br />1313 Sherman Street - Room 215 <br />Denver, CO 80203 <br />RECLUED <br />APR 0 ZWO <br />Division of Reciamation, <br />Mining & 9efaty <br />RE. GP Ranches, LLC. - West Farm Pit - Technical Revision No. 1 Request <br />File No. M-2008-078 <br />Dear Mr. Cunningham, <br />GP Ranches, LLC. (GP) requests a revision to their existing permit to address the following 2 items: <br />1. Mining Plan: Revision of the mine phasing to include a Phase 1A. <br />2. Reclamation Bond: Revision of the financial warranty required for the reclamation of each <br />phase of mining. <br />Detailed descriptions of these revisions are in the following sections. <br />Mining Plan: Revision of the mine phasing to include a Phase 1A. <br />Phase 1A will be surface mining only in the Phase 11 area. All mining will occur above groundwater <br />levels to an estimated mining depth of 10 to 12 feet. No groundwater will be exposed during this phase <br />of mining. <br />Attached is a revised Exhibit C - Pre-Mining/Mining Plan map that shows the location of the new Phase <br />1A area. <br />Reclamation Bond: Revision to the financial warranty required for the reclamation of each <br />phase of mining. <br />1. The financial warranty calculations have been revised as follows: <br />a. The financial warranty required for the disturbed area in Phase 1A has been calculated <br />and included in the totals. <br />b. The financial warranty required for the plant site area and topsoil stockpile area has <br />been moved to Phase 1 A from Phase 1. <br />A revised Exhibit L - Reclamation Costs and supporting calculations are attached which summarize the <br />revision to the financial warranty requirements. <br />V, 1400 W 122`d Avenue - Suite 120 • Westminster CO 80234 • Ph: 303-457-0735 • Fax: 303-920-0343