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July 20, 2023 C-1981-028/Keenesburg Strip Mine RDZ <br /> <br /> <br />Number of Partial Inspection this Fiscal Year: 1 <br />Number of Complete Inspections this Fiscal Year: 0 <br /> <br /> Page 2 of 5 <br /> <br /> <br />Inspection Topic Summary <br />NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA=Not Applicable <br />N - Air Resource Protection <br />N - Availability of Records <br />NA - Backfill & Grading <br />NA - Excess Spoil and Dev. Waste <br />NA - Explosives <br />R - Fish & Wildlife <br />R - Hydrologic Balance <br />R - Gen. Compliance With Mine Plan <br />N - Other <br />NA - Processing Waste <br /> <br />NA - Roads <br />R - Reclamation Success <br />R - Revegetation <br />NA - Subsidence <br />N - Slides and Other Damage <br />NA - Support Facilities On-site <br />R - Signs and Markers <br />NA - Support Facilities Not On-site <br />NA - Special Categories Of Mining <br />NA - Topsoil <br /> <br /> <br />COMMENTS <br /> <br />A partial inspection was conducted by Rob Zuber of DRMS on July 20, 2023. No Coors Energy Company (CEC) <br />representative was present at the inspection. <br /> <br />The site is in Permanent Cessation. Reclamation activities were completed in the fall of 2020. However, due to <br />poor success in some areas, Coors Energy reclaimed these areas a second time in spring 2022. <br /> <br />The weather was clear and warm (approximately 80 degrees F). The ground was dry. <br /> <br /> <br />FISH and WILDLIFE – Rule 4.18: <br />Many birds were seen and heard at Sediment Pond 2. <br /> <br />HYDROLOGIC BALANCE - Rule 4.05 <br />Drainage Control 4.05.1, 4.05.2, 4.05.3; Siltation Structures 4.05.5, 4.05.6; Discharge Structures 4.05.7, 4.05.10; <br />Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water Monitoring 4.05.13; <br />Drainage – Acid and Toxic Materials 4.05.8; Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18: <br />Sediment Pond 2 and the Dugout Pond contained little to no water (thick vegetation obscures the bottoms). They <br />were not discharging during the inspection. There were no signs that either pond had discharged recently. No <br />problems were observed. <br /> <br />GENERAL MINE PLAN COMPLIANCE: <br />The northern boundary of the site (east side) was observed, and no signs of pollutant loading from the mine site, or <br />any other problems, were seen.