2012-05-29_INSPECTION - C1980001

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May 21, 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 Y - 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 A partial inspection was conducted by Rob Zuber and Dan Hernandez of DRMS. The weather was sunny; the ground was dry. FISH and WILDLIFE — Rule 4.18: A large heard of elk and a small group of antelope were seen on the West Ridge. HYDROLOGIC BALANCE - Rule 4.05: Center Ridge Pond, West Ridge Pond, and Moffat Pond were all discharging clear water, but the discharges were very small for West Ridge and Moffat. Other observations: • 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. • The small pond below the West Ridge Pond was not discharging. This pipe was clogged, apparently by a muskrat(s): considerable scat was seen below the upstream end of the pipe. For all ponds, no problems were observed with embankments. The Koll ditch was found to be in good condition. Some of the check dams above West Ridge Pond are holding water. No problems were identified. South of the intersection of the North Road and the Lower Moffat Road, there is a low spot where water could potentially pond and flow over the road rather than drain to a culvert. There is currently no sign that this has Number of Partial Inspection this Fiscal Year: 8 Number of Complete Inspections this Fiscal Year: 4 Page 2 of 5