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September 18, 2014 C- 1981 - 028 /Keenesburg Strip Mine JLE <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 <br />R - Availability of Records <br />R - Backfill & Grading <br />Y - Excess Spoil and Dev. Waste <br />R - Explosives <br />Y - Fish & Wildlife <br />R - Hydrologic Balance <br />Y - Gen. Compliance With Mine Plan <br />R - Other <br />NA - Processing Waste <br />Y -Roads <br />Y - Reclamation Success <br />R - Revegetation <br />NA - Subsidence <br />Y - Slides and Other Damage <br />Y - Support Facilities On -site <br />R - Signs and Markers <br />NA - Support Facilities Not On -site <br />NA - Special Categories Of Mining <br />Y -Topsoil <br />COMMENTS <br />This was a coal complete inspection of the Keenesburg Strip Mine, DRMS permit no. C- 1981 -028, operated by <br />Coors Energy Company (CEC). I, Jared Ebert of the Colorado Division of Reclamation, Mining and Safety <br />conducted the inspection. Danny Kipp with CEC accompanied me into the field. The weather was sunny and <br />warm during the inspection. <br />AVAILABILITY OF RECORDS — Rule 5.02.4(1): <br />The mine records were checked at the mine office. See the end of the report for details. <br />BACKFILL and GRADING — Rule 4.14 <br />Contemporaneous Reclamation 4.14.1; Approximate Original Contour 4.14.2; Highwall Elimination 4.14.1(2)(f); <br />Steep Slopes 4.14.2, 4.27; Handling of Acid and Toxic Materials 4.14.3; Stabilization of Rills and Gullies 4.14.6: <br />The operator continues to backfill B Pit with coal ash. At the time of the inspection, two loads of ash had already <br />been backfilled into B -Pit and graded to blend in with the rest of the bench. A small layer of spoil has been placed <br />over the coal ash. <br />Reclamation Parcel 33 was recently disced to prepare the surface for topsand placement. <br />At the southern end of the open portion of B -Pit, a lift of spoil has been disced at the surface in preparation for <br />topsand placement. <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; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water Monitoring 4.05.13; <br />Drainage — Acid and Toxic Materials 4.05.8; Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18: <br />Number of Partial Inspection this Fiscal Year: 2 <br />Number of Complete Inspections this Fiscal Year: 1 <br />Page 2 of 6 <br />