2012-06-25_INSPECTION - C1980001

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June 18, 2012 C- 1980 - 001 /Edna Strip Mine RDZ Inspection Topic Summary NOTE: Y= Inspected N =Not Inspected R= Comments Noted V= Violation Issued NA =Not Applicable • -Air Resource Protection • -Availability of Records N - Backfill & Grading N - Excess Spoil and Dev. Waste NA - Explosives R - Fish & Wildlife R - Hydrologic Balance R - Gen. Compliance With Mine Plan R - Other NA - Processing Waste R -Roads R - Reclamation Success N - Revegetation NA - Subsidence N - Slides and Other Damage R - Support Facilities On -site R -Signs and Markers NA - Support Facilities Not On -site NA - Special Categories Of Mining N - Topsoil COMMENTS This partial inspection was conducted by Rob Zuber of DRMS. The weather was sunny; the ground was dry. FISH and WILDLIFE — Rule 4.18: A heard of elk were seen in the drainage east of West Ridge. HYDROLOGIC BALANCE - Rule 4.05: Center Ridge Pond was discharging a small amount of clear water. West Ridge Pond and Moffat Pond were holding water but not discharging. Other observations with ponds: • The primary spillway out of the West Ridge Pond is rusted and contains a sizable hole approximately 10 feet from the downstream end. • The primary spillway at Moffat is rusty. For all ponds, no problems were observed with embankments or emergency spillways. Some of the check dams above West Ridge Pond are holding water. No problems were identified. The contour ditches near the north side of the site were inspected as a follow up to issues identified in March. The upper ditch appears to have been repaired or has healed itself The blow out in the second ditch down still exists. It is about one foot deep, four feet wide, and about 25 feet long. Moffat Final Pit Segment 2 Ditch was inspected and no problems were identified. GENERAL MINE PLAN COMPLANCE: The mine was found to be in general compliance with the permit. Number of Partial Inspection this Fiscal Year: 9 Number of Complete Inspections this Fiscal Year: 4 Page 2 of 7