2023-07-27_REVISION - C1981038 (10)

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The Bowie No. 1 West Mine portal facilities enabled BRL to access the reserves that had been cut off due to the fire at the main portals (the East Mine). Mining occurred west of the East Mine during the 1988 to 1993 five year mine plan. The East Mine portals were rehabilitated during late 1992 and early 1993. The two mines were connected underground in June 1993 and a beltline was used to transport the majority of coal out of the east portals to the crushing and screening facility located at the East Mine. This ended the need for the trucking of coal from the West Mine portals, which had commenced when the West Mine became operational. The approved plan to construct rock slope tunnels to connect the two mines became obsolete with the rehabilitation of the East Mine portals. The mine utilized the room and pillar mining method of extracting coal. The general direction of mining had been northward to extract coal from the D seam. When mining was active, the coal was moved from the mining face via a continuous haulage system of shuttle cars to a feeder-breaker and then out of the East Mine via conveyor belt to a surge bin, a screening/crushing facility, and a truck loading facility. After mining at the Bowie No. 1 Mine had ceased, BRL periodically would truck coal from the Bowie No. 2 Mine to the Bowie No. 1 Mine storage silos and railroad loadout facility, where it was loaded onto trains for shipment to market. However, most of the Bowie No. 1 Mine unit train loadout facilities have been demolished and removed. Because mining has ceased, there is no predicted production rate for this five year permit term. The approved reclamation plan required that, after the conclusion of mining, the portals will be backfilled, all surface facilities will be removed,the mine benches will be recontoured,the loadout will be regraded to approximate original contour, and all areas will be revegetated in accordance with the approved post-mining land use and revegetation plan. All structural demolition and backfilling and grading operations have been completed at the East Mine and ROM. At the request of the landowner, a water pipeline (to the Stevens Gulch Well Field) and electrical infrastructure have been retained at the East Mine. All structural demolition has occurred at the West Mine as well, and backfilling and regrading has been completed for the majority of the area. The East Roatcap Creek culvert and two overlying sediment ponds still need to be removed, at which time the cover material over the culvert will be graded back onto the hillslope and the East Roatcap Creek drainage channel reconstructed. The pump house, water tank, and water wells are still in place at the Stevens Gulch Well Field, approximately one mile northeast of the West Mine and approximately one mile northwest of the East Mine (shown on Map 8A-8 of the PAP). At the loadout, some of the structures have been demolished and removed. However, some structures remain in place: the shop,the railroad spur line,the railroad bridge, a portion of the haul road,the sediment pond, and long culvert for the Farmers Ditch. There has not been any backfilling of the loadout bench to date. 14