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February 6, 2008 <br />LRES'"VURCES,LLC <br />Mr. Carl Mount RECEIVED <br />Division of Reclamation Mining and Safety FEB 0 7 2006 <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 Division of Reclamation, <br />Mining and Safety <br />RE: Pioneer Sand & Gravel, Permit No. M-2003-0116- Heit Pit Resource; Technical Revision 4 - <br />Discharge Points <br />Dear Mr. Mount: <br />It has come to our attention that the Mining Plan for the Heit Resource did not indicate Pioneer's discharge <br />points in the northwest and southwest corner of the Site. These discharge points allow the dewatering <br />water to return to Little Dry Creek via a water conveyance easement. As a result, on behalf of Pioneer Sand <br />and Gravel and SW Chambers, LLC we are submitting the following: 1) $188 application fee; 2) description <br />of Technical Revision (this letter); and 3) a revised Mining Plan indicating the location of the discharge <br />points. <br />This Technical Revision shows the proposed areas to the north and south that Pioneer is utilizing to <br />discharge water back to Little Dry Creek, consistent with their CDPS permit. The revised Mining Plan <br />illustrates where Pioneer Sand and Gravel will discharge their dewatering water. The discharge is occurring <br />within a water conveyance easement that will ultimately convey water to and from the reclaimed water <br />storage pond via Little Dry Creek. <br />Please call if you have any questions. <br />Sincerely, <br />CIVIL RESOURCES, LLC <br />Andy Rodriguez, P.E. <br />Encl: Permit Boundary Adjustment Figure & SWMP Figure <br />JAPioneer Sand - 17ffechnical Revision 4 Permit Boundary7ech Rev #4.doc