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West Elk Mine (C-1980-007) MT-9 <br /> Section II - Revisions to the Permit <br /> Revision Revision Short Description Approval Date Change to Required <br /> Financial Warranty <br /> MR-462 MR-462 Permit Text Update 6/13/2022 <br /> MR-463 MR-463 Update Exhibit 1:Officers and Directors 6/1/2022 <br /> MR-464 MR-464 Addition of Fire Breaks 6/6/2022 <br /> MR-465 MR-465 Update Exhibit 3 and Map 2 6/29/2022 <br /> MR-466 MR-466 Rock Dust Tank at Sylvester Gulch,Shaft#1 6/24/2022 $5,001.00 <br /> MR-467 MR-467 Additional Concrete Piers for C-1 6/30/2022 <br /> MR-468 MR-468 Bear Mine Access Road 6/24/2022 <br /> MR-469 MR-469 Gas Characterization Holes 9/23/2022 $28,807.00 <br /> MR-470 MR-470 Additional Coal Storage on LRP and RPE 10/4/2022 <br /> MR-471 MR-471 Deer Creek Shaft Fence Expansion 11/22/2022 $5,364.00 <br /> MR-472 Update Exhibit 12-Completion and P&A Reports 12/19/2022 <br /> MR-473 Monument Dam Survey Station Security Fence 5/12/2023 $926.00 <br /> MR-474 Box Canyon North Water Storage Access Hole 8/18/2023 $27,832.00 <br /> MR-475 Geological Hole at Deer Creek Shaft 8/8/2023 $5,628.00 <br /> MR-476 MR-476 Fire Mitigation with Lazy H Ranch 9/1/2023 <br /> M R-477 Concrete blocks at old highway access gate 10/10/2023 $595.00 <br /> MR-478 Box Canyon North Monitoring Hole 10/12/2023 $3,617.00 <br /> MR-479 MR-479 BCN Waterline 11/21/2023 $3,627.00 <br /> MR-480 MR-480-BCN Well Pumphouse Foundation 3/12/2024 $2,462.00 <br /> MR-481 MR-481 Booster Pump Relocation 5/14/2024 <br /> MR-482 MR-482 Update Officers&Directors 5/17/2024 <br /> MR-483 MR-483 Temporary Concrete Pad 8/29/2024 $401.00 <br /> MR-484 Sunset Mains Crosscuts 13-16 9/5/2024 <br /> SL-15 Partial Phase I Bond Release 9/26/2022 ($143,551.21) <br /> SL-16 Partial Phase 11 Bond Release 1/10/2024 ($23,120.36) <br /> SL-17 Partial Phase III Bond Release 7/15/2024 ($29,411.89) <br /> TR-147 Construction of 81 B-Seam Mine Ventilation Boreholes 5/22/2023(withdrawn) <br /> TR-150 Revision to layout of E-seam panels 9/29/2022 <br /> TR-151 Extend longwall panel LWE12 11/1/2023 <br /> TR-152 TR-152 Sunset South Pillaring 1/22/2024 <br /> TR-153 TR-153-B to E Seam Vent Shaft 5/3/2024 $21,061.00 <br /> TR-154 TR-154-Sunset Mains Pillaring 6/25/2024 <br /> TR-155 Repairs to Silo 2 7/25/2024 $17,894.00 <br /> TR-156 Stormwater project,Train Loadout 8/29/2024 $12,293.00 <br /> Table 1:Summary of revisions finalized since the approval of the last Permit Renewal (RN-8)on 6/1/2022. <br /> Page 11 of 14 <br />