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April 6, 2022 C-2010-089/New Horizon North Mine JHB <br /> Inspection Topic Summary <br /> NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA=Not Applicable <br /> Y -Air Resource Protection N -Roads <br /> N -Availability of Records R -Reclamation Success <br /> N -Backfill& Grading R -Revegetation <br /> NA -Excess Spoil and Dev. Waste NA - Subsidence <br /> NA -Explosives R - Slides and Other Damage <br /> N -Fish& Wildlife R - Support Facilities On-site <br /> R -Hydrologic Balance Y - Signs and Markers <br /> Y -Gen. Compliance With Mine Plan NA - Support Facilities Not On-site <br /> NA -Other NA - Special Categories Of Mining <br /> NA -Processing Waste R -Topsoil <br /> COMMENTS <br /> This was a partial inspection conducted by Janet Bums of CDRMS. Mr. Tony Tennyson of ERMR accompanied <br /> the inspection and represented the operator. Mr. Dan McKinnon,and Ms. Brook Zeller of OSMRE-Denver Field <br /> Office, accompanied the inspection in the role of Federal Oversight of Colorado's state program. <br /> The weather was clear and dry with a cool wind. Tony said that the irrigation water from the CC ditch is <br /> anticipated to come into the valley after April 15th. Therefore,no irrigation was occuring yet in the valley. <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;Impoundments 4.05.6,4.05.9; Stream Buffer Zones 4.05.18: <br /> The mine site was dry with no standing water in any of the low areas of the mine. The collection ditches <br /> to Pond 1 were intact and appeared to be functional. The East ditch has a collection of tumbleweed at the access <br /> from the county road. These tumbleweeds do not appear to limit the function of the ditch. Ditches to Pond 2 were <br /> also unimpeded and appear functional. Pond 1 was dry and adequately vegetated. No Tilling or gully formation <br /> was observed on the inslopes of Pond 1. Pond 2 was dry and well vegetated. The discharge structure appeared in <br /> good condition. No problems were identified with either pond or the associated collection ditches. <br /> RECLAMATION SUCCESS-Rule 4.15,Rule 3: <br /> The operator has submitted SL3 bond release application to the Division. This application is currently <br /> under review by the Division. <br /> REVEGETATION—Rule 4.15 <br /> Vegetative Cover;Timing: <br /> The Dryland pasture areas have established adequate perennial vegetation that provides good soil cover. <br /> The portions of the dryland pasture that we observed were not eroding nor did they exhibit noxious weed <br /> infestations. The forage Kochia in the dryland pasture areas was well established. <br /> The irrigated pasture is beginning to green up. The alfalfa looks healthy. As noted at the beginning of the report, <br /> Number of Partial Inspection this Fiscal Year: 7 <br /> Number of Complete Inspections this Fiscal Year: 3 <br /> Page 2 of 5 <br />