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1000LORADO <br /> .0 Division of Reclamation, <br /> Mining and Safety <br /> Department of Natural Resources <br /> 8 September 2022 <br /> Tonia Perkins <br /> Trapper Mine, Inc. <br /> P.O. Box 187 <br /> Craig, Colorado 81626 <br /> RE: Trapper Mining Inc.,Permit; C1981010 <br /> Review: Sediment Pond 2022 Q2 <br /> Dear Ms. Perkins <br /> The Colorado Division of Reclamation, Mining and Safety(The Division),has reviewed the above <br /> referenced report received by the Division on 5 July 2022. The report complies with applicable sections <br /> of Rule 4.05.9 (Impoundments). The inspection took place over the course of the second,third and fourth <br /> weeks of June 2022. <br /> Maintenance issues noted during the inspection comprised sediment marker and pond ID signs requiring <br /> replacement. <br /> The following ponds were discharging at a rate of 1 -3 cubic feet/second: <br /> 1. No Name 44 and 45 <br /> 2. Johnson#s 6, 7R, 8R, 9R and 1 OR ponds were 100%full. <br /> 3. East Pyeatt#s 1, 2, 3 were 90%full on average. <br /> The following ponds held water and where not discharging at the time of inspection: <br /> Coyote No Name 42 Middle Pyeatt 41 <br /> Oak#1 West Pyeatt 41 Middle Flume System <br /> Horse Gulch Ute#1 EastMiddle Flume <br /> Deal#1 Jeff vay#I Impoundment H <br /> Industrial Waste Pond <br /> As per Trappers's Permit indicates that other than Coyote Pond, all sediment ponds with 60% or <br /> more of sediment storage used following spring runoff will have the sediment removed in the <br /> same year. Sediment levels in the all ponds were recorded. DBMS notes that only Horse Pond <br /> is approaching the upper limit of its sediment storage capacity (55%). TMI should consider <br /> dredging this pond in 2023. <br /> F'COI <br /> Physical: 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 �4 o0 <br /> Mailing: DRMS Room 215, 1001 E 62nd Ave, Denver, CO 80216 https://drms.colorado.gov Fe — <br /> Jared S. Polis, Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director 10 <br /> 'f 1876�` <br />