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March 21, 2014 C- 1996 -083 /Bowie 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 <br />R - Roads <br />N - Availability of Records <br />N - Reclamation Success <br />N - Backfill & Grading <br />N - Revegetation <br />R - Excess Spoil and Dev. Waste <br />N - Subsidence <br />N - Explosives <br />N - Slides and Other Damage <br />N - Fish & Wildlife <br />R - Support Facilities On -site <br />R - Hydrologic Balance <br />N - Signs and Markers <br />Y - Gen. Compliance With Mine Plan <br />NA - Support Facilities Not On -site <br />N - Other <br />NA - Special Categories Of Mining <br />R - Processing Waste <br />N - 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 of DRMS on March 21, 2014. The photos were reviewed by Susan Burgmaier of DRMS on April 4, <br />2014. Weather conditions were clear; ground conditions appeared to be dry with very little snow cover. A train <br />was being loaded at the UTL; equipment was working at Gob Pile 42 and Gob Pile 43. The mine was in the <br />process of a longwall move to begin Panel 15 of the B Seam. <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, <br />4.05.10; Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water Monitoring <br />4.05.13; Drainage Acid and Toxic Materials 4.05.8; Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18: <br />Ponds C, D, F, and J were holding water, it was not apparent whether any of the ponds were discharging. The Fire <br />Mountain Canal was running. <br />PROCESSING WASTE /COAL MINE WASTE PILES Rule 4.10 and 4.11 <br />Drainage Control; Surface Stabilization; Placement: <br />Gob Pile 42 — <br />• Compaction efforts were under way on the upper bench. <br />• No new material has been placed on the pile since the last inspection. <br />• Slopes appeared to be stable. <br />• No standing water observed on the refuse area. <br />Gob Pile 43 — <br />• Cover fill material was being dumped into the active refuse placement area, presumably for mixing with <br />refuse material for compaction. <br />• There appeared to be positive drainage off of the refuse material to the collection ditches; no standing <br />water was observed. <br />Number of Partial Inspection this Fiscal Year: 13 <br />Number of Complete Inspections this Fiscal Year: 3 <br />Page 2 of 7 <br />