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COLORADO <br />Division of Reclamation, <br />Mining and Safety <br />Department of Natural Resources <br />5 April 2021 <br />Miranda Kawcak <br />Moffat County Mining, LLC <br />29515 Routt County Road #27 <br />Oak Creek, CO 80467 <br />RE: Williams Fork Mine Permit; C1981044 <br />Sediment Pond Inspections DRMS Review 2020 Quarter 3 <br />Dear Ms. Kawcak: <br />Thank you for your submittal of the 2020 quarter three pond report for the Williams Fork Mine. The Colorado <br />Division of Reclamation, Mining and Safety (The Division), has reviewed the above referenced report. The <br />report was received by The Division on 30 March 2021. Sediment pond inspections were conducted by Jenna <br />Spencer P.E. of Moffat County Mining on 22 September 2020. <br />This report appears to be in compliance with the applicable sections of Rule 4.05.9. No maintenance items <br />were noted during the inspection with the exception of the weir at outfall 022. This weir is showing signs of rust, <br />allowing water to seep while flowing. This should be replaced. <br />As of April 2021, the following ponds have been proposed for phase III release 9AP3, 9AP4. Other ponds with <br />Phase III release comprise 9AP1. Ponds proposed for Phase I reclamation status comprise numerous ponds along <br />the west side of the Williams Fork River and include the waste water treatment ponds. All ponds were dry at the <br />time of inspection with sediment levels were observed to be less than 10%. Sediment storage was adequate for all <br />ponds at time of inspection <br />With the exception of the weir at outfall 022 requiring replacement, the Division has no concerns. <br />Best Regards, <br />Robin Reilley, M.S. GISP <br />Environmental Protection Specialist II <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us <br />Jared S. Polis, Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director <br />