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May 18, 2020 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 /> N -Air Resource Protection N -Roads <br /> N -Availability of Records R -Reclamation Success <br /> R -Backfill & Grading Y -Revegetation <br /> N -Excess Spoil and Dev. Waste NA - Subsidence <br /> NA -Explosives Y - Slides and Other Damage <br /> N -Fish&Wildlife R - Support Facilities On-site <br /> R -Hydrologic Balance N - Signs and Markers <br /> Y - Gen. Compliance With Mine Plan N - Support Facilities Not On-site <br /> N - Other N - Special Categories Of Mining <br /> NA -Processing Waste R -Topsoil <br /> COMMENTS <br /> This was an aerial inspection conducted by review of aerial images collected on May 18, 2020,by Brock Bowles <br /> of CDRMS. The images were downloaded electronically. Janet Binns of CDRMS reviewed the images. This <br /> report is a result of the review of the aerial images. <br /> The area surrounding the mine appears very dry. The Nucla area utilizes irrigation for much of the crop <br /> production. Areas receiving irrigation water were green, while dryland areas were not. <br /> BACKFILL and GRADING—Rule 4.14 <br /> Contemporaneous Reclamation 4.14.1; Approximate Original Contour 4.14.2; Handling of Acid and Toxic <br /> Materials 4.14.3; Stabilization of Rills and Gullies 4.14.6: <br /> The operator is in the process of regrading the remaining facilities area. Gravel has all been pushed up <br /> into a pile just to the east of the access into the southern part of the mine. It appears that material has been spread <br /> to bring the elevation up to plan, and topsoil is being spread adjacent to the southern extent of the Garvey field. <br /> Equipment on site includes a small dozer and a front end loader. <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 Garvey field is being irrigated and the vegetation on the field appears as a healthy green. Irrigation <br /> tail-water drains primarily to the south from the irrigated field. Some gully formation was discernable at the <br /> southern end of the field in the aerial photo. This tail water flows into Pond 1. There was one small pool of water <br /> in Pond 1 at the east end. There is no evidence that any discharge would have occurred.It does not appear that TR <br /> 23 has been implemented yet. TR23 approved removal of the ditch liner in reach 6 of the East ditch. <br /> Pond 2 was dry. Based upon vegetation patterns irrigation tail-water is able to flow overland to the ditch,then to <br /> pond 2. No water is standing in the ditch, nor is there any pool of water in the pond. Vegetation is becoming <br /> established on the Pond 2 inslopes. No problems were noted with pond 2 or the drainage system to Pond 2 based <br /> upon review of the aerial photos. <br /> Number of Partial Inspection this Fiscal Year: 7 <br /> Number of Complete Inspections this Fiscal Year: 3 <br /> Page 2 of 4 <br />