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COLORADO <br /> Division of Reclamation, <br /> Mining and Safety <br /> Department of Natural Resources <br /> August 28, 2023 <br /> Tony Tennyson <br /> Elk Ridge Mining and Reclamation, LLC <br /> P.O. Box 628 <br /> 27646 West 5th Avenue <br /> Nucla, CO 81424 <br /> Re: New Horizon Mine,Permit No. C-1981-008 <br /> Permit Renewal No.8 (RN-8) Reclamation Coat Estimate Review Memo <br /> Dear Mr. Tennyson, <br /> During the Division's review of the New Horizon Mine's Permit Renewal No.8,the Reclamation estimate was <br /> updated to consolidate reclamation tasks into appropriate categories and remove any tasks that were <br /> associated with the New Horizon 1 Mining Area. Technical Revision No. 94 was approved by the Division in <br /> 2012. The revision removed the New Horizon 1 Mining Area from the C-1981-008 permit. Additionally, <br /> acreages for some tasks did not reflect the current reclamation conditions at the mine site resulting in a <br /> couple of tasks over estimating the remaining acreage or under estimating the remaining acreage. This <br /> memo documents the updates to the Reclamation Estimate made during this review. <br /> New Horizon 1 (NH1)Tasks Removed: <br /> 1. Task 012: Well N-8 was removed from the task as the well was a part of the NH1 Mining Area. The <br /> remainder of Task 012 was updated. <br /> 2. Task 013:Well N-9 was removed from the task, as the well was a part of the NH1 Mining Area. The <br /> remainder of Task 013 was updated. <br /> 3. Task 052:Task 052 was removed from the estimate due to the task being a part of the NH1 Mining <br /> Area. Pond 10 was never constructed. <br /> 4. Task 066: Task 066 was removed from the estimate due to the task being a part of the NH1 Mining <br /> Area. <br /> 5. Task 086 was removed. The task was associated with the SW Haul Road in the NH1 Mining Area. <br /> 6. Task 087 was removed from the estimate. The task was associated with the SW Haul Road in the <br /> NH1 Mining Area. <br /> Additional Changes made to the RN-8 Reclamation Estimate: <br /> 7. Task 009: Task 009 is to complete the final grading of reclaimed areas. Discussions with the operator <br /> and research through DRMS and ERMR documents suggests that there are 117.3 acres remaining for <br /> Task 009. <br /> 8. Task 010: Task 010 is for ripping the spoil and topsoil interface on the remaining acres to be <br /> Physical: 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 ��o@'Color <br /> Mailing: DRMS Room 215, 1001 E 62nd Ave, Denver, CO 80216 https://drms.colorado.gov �� o <br /> Jared S. Polis, Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director I * * <br /> *1876 <br />