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January 30, 2012 C -1994 -082 /Yoast Mine SLB <br /> <br /> <br />Number of Partial Inspection this Fiscal Year: 9 <br />Number of Complete Inspections this Fiscal Year: 2 <br /> <br /> Page 2 of 4 <br /> <br /> <br /> <br />Inspection Topic Summary <br />NOTE: Y =Inspected N =Not Inspected R =Comments Noted V =Violation Issued NA =Not Applicable <br />NA - Air Resource Protection <br />N - Availability of Records <br />N - Backfill & Grading <br />NA - Excess Spoil and Dev. Waste <br />NA - Explosives <br />N - Fish & Wildlife <br />R - Hydrologic Balance <br />Y - Gen. Compliance With Mine Plan <br />NA - Other <br />NA - Processing Waste <br /> <br />N - Roads <br />N - Reclamation Success <br />N - Revegetation <br />NA - Subsidence <br />R - Slides and Other Damage <br />NA - Support Facilities On -site <br />N - Signs and Markers <br />NA - Support Facilities Not On -site <br />NA - Special Categories Of Mining <br />N - Topsoil <br /> <br /> <br />COMMENTS <br /> <br />This was a partial inspection of the Yoast Mine based on aerial photographs of the site taken by Harry Ranney of <br />DRMS and reviewed by Susan Burgmaier, also of DRMS. The south pit and neck p it areas were photographed. <br />The site was covered with a thin layer of snow; vegetation was still visible and recently graded and/or bare areas <br />were void of snow. There were no signs of activity in the area, and it did not look as if any vehicles had trav eled <br />in the area since the last snow. <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 012, 012A, 013, and 014 all held water but were frozen over. The underdrain into Pond 012 was <br />flowing, and it appeared that the pond was discharging as a result of this inflow. <br /> <br />SLIDES and DAMAGE - Rule 4.12: <br /> Most of the snow had melted off of the regraded failure slope on the north end of Pond 012, and the slope <br />appeared to be stable. T here were no i ndications of any sloughing or slumping. The regraded scarp of the Pond <br />013 slope was also free of snow with no signs of recent movement. The neck pit slide was covered by snow. <br /> <br /> <br />DOCUMENTS RECEIVED <br />OTHER (SPECIFY) <br />