2021-03-24_INSPECTION - C1981010

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22 March 2021 C-1981-010/Trapper Mine RAR Inspection Topic Summary NOTE: Y=Ins ected N=Not Inspected R=Comments Noted V=Violation Issued NA=Not Applicable R - Air Resource Protection R - Roads R - Availability of Records R - Reclamation Success R - Backfill & Grading R - Revegetation N - Excess Spoil and Dev. Waste Y - Subsidence R - Explosives Y - Slides and Other Damage Y - Fish & Wildlife R - Support Facilities On -site R - Hydrologic Balance R - Signs and Markers R - Gen. Compliance With Mine Plan NA - Support Facilities Not On -site NA - Other NA - Special Categories Of Mining NA - Processing Waste R -Topsoil This was a complete inspection of the Trapper Mine; permit C 1981010, operated by Trapper Mining Inc. The inspection was conducted and the report and photos prepared by me, Robin Reilley of the DRMS. Graham Roberts, Trapper Mine representative was present throughout the inspection. Skies were cloudy until about midday when clouds cleared somewhat. Temperatures ranged between 30 and 40 degrees Fahrenheit. There was a light breeze. Coal was being hauled. Haul roads were wet and passable. Access roads were muddy and some areas of the mine were not accessible due to muddy conditions on steep slopes. Some snow remains throughout the site, especially on north facing slopes. Blasting and permit records were checked. Reclamation activities regarding TR127 (B and G), were noted. PERMITTING ACTIONS in PROGRESS: o TR127 the 2020 ARR UPCOMING PERMITTING ACTIONS o A phase III of approximately 200 acres is contemplated for autumn. OUTSTANDING MAINTENANCE None INSPECTION GENERAL MINE PLAN COMPLIANCE: Two draglines are stationed in the L pit and were not operating at the time of inspection. One dragline, the Molly Brown in the L pit is undergoing maintenance. Activities in the L, N and I pits were observed and appear to be progressing as permitted. The Queen Anne is stationed in the N pit and was not operating at the time of inspection. Overburden removal and stripping in N Pit is complete. Coal level has been reached in the N Pit. The pit floor is exposed and water was present at the time of inspection. Spoil springs above N pit have been enclosed in casing to control flow. A dewatering well is in place for N pit. The higwall is weeping water and is being monitored for movement. The high wall miner and associated cars are staged for assembly. Surface diversion ditch is in place around I pit. SIGNS and MARKERS — Rule 4.02 o Topsoil stockpiles observed were clearly marked with identifying signs. Number of Partial Inspection this Fiscal Year: 6 Number of Complete Inspections this Fiscal Year: 3