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EXHIBIT L RECLAMATION COSTS <br /> Mining at the Young Ranch Resource will affect a total of 335.1 acres across 469.7 permitted <br /> acres. Given the length of time it will take to mine this entire site, the Operator will phase the <br /> mining plan and requests the bond be calculated to reflect the greatest incremental default <br /> liability. This worst-case scenario is presently based on mining and reclamation up to the end of <br /> Phase 1 as shown on Map C-3. Prior to beginning to mine and open future phases, bonding may <br /> be reevaluated by the operator or Division if future phases will increase the incremental liability. <br /> At the end of Phase 1, and if the site were to permanently close, the final bench along the north <br /> facing slope will need to be backfilled and seeded. Therefore, a 25-foot-high bench up to 500 <br /> feet in length (not the entire length)will require backfill with waste fines and then capped with <br /> coarsely blasted rock and forest litter. A planting of tree tubelings and a forest shrub seed mix <br /> will be required across this area. The area is estimated to be 50 feet 2.OH:LOV slope by 500 feet <br /> or 0.6 acres. The 26.7-acre processing area will be topped with 6 inches of plant growth medium <br /> prior to seeding with a dry rangeland seed mix. <br /> To reclaim the WRL, a 1.7-acre area along the top of the WRL (at the end of Phase 1) will be <br /> graded and covered with 6 inches of plant growth medium prior to seeding with dry rangeland <br /> seed mix. The worst-case reclamation scenario of the WRL slope occurs as one lift has been <br /> filled to completion and the next lift has been initiated but slope push down has not yet occurred <br /> on the previously completed lift. In this case, a total of two 50-foot lifts would require slope push <br /> down and grading, ripping, growth medium and coarse blasted rock application, and tree tubeling <br /> and forest shrub seed mix application. The maximum lateral extent of WRL reclamation is <300 <br /> feet; however, 300 feet is used in the calculations below. Each lifts material that will be pushed <br /> down, across a 300-foot length, is 312 square-feet. <br /> Therefore, bond calculations are based on a projected total maximum of 35.7 acres of disturbed <br /> land at the completion of Phase 1, as shown on Map C-3. It should be noted, that total <br /> disturbance at the completion of Phase 1 will be 43.6 acres; however, at the discretion of the <br /> landowner, all roads and underpasses will not be reclaimed. <br /> Young Ranch Resource <br /> December 2021 L-1 Lewicki& Associates <br />