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December 18, 2013 C-1996-083/13owie No. 2 Mine SLB <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 N -Reclamation Success <br /> N -Backfill &Grading N -Revegetation <br /> R -Excess Spoil and Dev.Waste N - Subsidence <br /> N -Explosives N - Slides and Other Damage <br /> N -Fish&Wildlife N - Support Facilities On-site <br /> R -Hydrologic Balance N - 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 /> R -Processing Waste R -Topsoil <br /> COMMENTS <br /> This was a partial inspection of the Bowie No. 2 Mine based on aerial photographs of the site taken by Harry <br /> Ranney and reviewed by Susan Burgmaier of DRMS. Weather conditions appeared to be clear;the area was <br /> partially covered with snow. The operation is actively mining in the B seam. Refuse was being placed in Gob <br /> Pile 43, and Gob Pile 42 appeared to be idle. <br /> HYDROLOGIC BALANCE -Rule 4.05❑ Drainage Control 4.05.1, 4.05.2, 4.05.3; Siltation Structures 4.05.5, <br /> 4.05.6; Discharge Structures 4.05.7, 4.05.10; Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water <br /> Monitoring 4.05.13; Surface Water Monitoring 4.05.13; Drainage—Acid and Toxic Materials 4.05.8; <br /> Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18: <br /> Ponds B, C, D, F, and J all held water and were frozen and snow covered. <br /> PROCESSING WASTE/COAL MINE WASTE PILES —Rule 4.10 and 4.11❑ Drainage Control; Surface <br /> Stabilization; Placement: <br /> Refuse was being placed in Gob Pile 43. A dozer was spreading the material, and a compactor was <br /> running. The drying area on the southwest end of Gob Pile 43 had not been worked and was snow covered. <br /> Excavation of cover material was under way on the northwest end of Gob Pile 43, and it appeared that <br /> construction of the underdrain was also under way. It looked like excavated cover material was being stockpiled <br /> on the West Coverfill Stockpile. <br /> Gob Pile 42 was idle at the time of the inspection. There was no sign of any recent activity. End dumped, <br /> uncompacted material was observed on the upper bench of Gob Pile 42, on the northeast end. <br /> TOPSOIL—Rule 4.0611 Removal 4.06.2; Substitute Materials 4.06.4(4); Storage and Protection 4.06.3, <br /> Redistribution 4.06.4: <br /> The area north of the cover fill stockpile,where the West Topsoil Stockpile will be located,appeared to <br /> have been recently disturbed. There were long scraped tracks extending from the north end of the stockpile <br /> location to the south end of the East Coverfill Stockpile,possibly a result of topsoil stripping operations. Topsoil <br /> Number of Partial Inspection this Fiscal Year: 8 <br /> Number of Complete Inspections this Fiscal Year: 2 <br /> Page 2 of 4 <br />