2021-09-21_INSPECTION - C1981010

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13 September 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 N -Availability of Records Y - Reclamation Success Y - Backfill & Grading R - Revegetation NA - Excess Spoil and Dev. Waste Y - Subsidence Y - Explosives Y - Slides and Other Damage R - 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 COMMENTS This was a complete inspection of the Trapper Mine; permit C1981010,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 clear. Temperatures ranged between 50 and 80 degrees Fahrenheit. The air was calm. Coal,overburden and ash were being hauled. Reclamation activities appeared to be ongoing as permitted. PERMITTING ACTIONS in PROGRESS: o TR128 decision proposed o SL23 Phase III release OUTSTANDING MAINTENANCE o Pond dredging in East Pyeatt,Horse,Middle Flume, Deal systems and various dozer basins has begun and will continue for some time. o Ditch reconstruction along the north edge of the N pit to handle surface flow. o Clearing vegetation below the flume at No Name Pond#5 is needed. INSPECTION GENERAL MINE PLAN COMPLIANCE: Two draglines are stationed in the L pit,one was on the south ridge and walking east to new a position, one was idle at the time of inspection. Activities in the L,N and I pits were observed and appear to be progressing as permitted. Coal was being hauled from L Pit.No blasts were set up in either L or N Pits. Blasting in L pit was scheduled for later in the week. Dredging is beginning in the east Pyeatt system at the dozer basin along the haul road. Several benches exist in the N Pit from west to east. The N Pit floor is exposed on the west end of the Pit. The coal level has been reached at the west end of the N Pit. Overburden was being excavated and hauled from the east end of the pit at the time of inspection. There are several seeps along the south and east walls of the pit. An additional dewatering well has been placed on line in N pit. Some of the seepage on the south wall may be from the ditch transmitting surface flow,(maintenance item). The Queen Anne dragline was idle in N Pit at the time of inspection. Roads being watered in N Pit at the time of inspection I pit road is close to completion. A small amount of water was present along the west edge of the I Pit at the time of inspection. No activities were taking place at the time of inspection. Number of Partial Inspection this Fiscal Year: 4 Number of Complete Inspections this Fiscal Year: 1 Page 2 of 9