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Table 4: Example Native Dry Rangeland Seed Mix Scientific Name Common Name ! %of Mix LBS/PLS Required Achiliea millefolium Western yarrow 5 0.1 Achnatherum hymenoides Indian ricegrass 5 2.0 Bouteloua gracilis Blue grama 10 0.9 Bromus marginatus Mountain brome 5 5.1 Elymus elymoides Bottlebrush squirreltail 10 3.4 Elymus lanceolatus Thickspike wheatgrass 10 4.2 Eragrostis trichodes Sand lovegrass 5 0.2 Koeleria macrantha Prairie junegrass 5 0.1 Linum lewisii Blue flax 5 1.9 Nassella viridula Green needlegrass 5 1.9 Pascopyrum smithii Western wheatgrass 10 5.7 Poa secunda Sandberg bluegrass 5 0.3 Pseudoroegneria spicata Bluebunch wheatgrass 10 5.2 Schizachyrium scoparium Little bluestem 5 1.4 _ Sorghastrum nutans Yellow Indiangrass 5 1.9 Total: 100 34.3 Notes: Quantity assumes 150 seeds per square foot broadcast seeded. Reduce by 25%for drill seeding. Quantity based on 1.0 acres of seeding(adjust according to required acreage). Final species composition and rates subject to availability. 6.4.5(2)(e) Reclamation will be performed concurrently with mining to minimize liability and to keep the financial warranty lower. Slopes will be regraded, backfilled, and topsoil applied as soon as they are able to be reclaimed and as additional mining phases become active. Seeding will take place during the spring or fall following topsoil application. See Table 1 for a description of size and timing of each phase. An additional estimated 6 months of final reclamation construction will be required after mining is completed. For example, Phase 1 is estimated to take 16 years in active mining, in which case phase I may be fully reclaimed (subject to time for establishment of vegetation) within 17 years of the operation's first date of activity. Mining is ongoing at the site as of the date of submittal and will be completed by 2086 if all four phases are mined completely. Therefore, final Siskin Pit gi Associates. January 2024 E-3