2024-03-28_REVISION - M2015030 (2)

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Chavers Mining Resource DRMS Permit No.M-2015-030 Amendment No.2(AM-02) March 2024 Page 6 6.4.5 EXHIBIT E - RECLAMATION PLAN 6.4.5 (1) PREPARATION OF THE RECLAMATION PLAN This revised reclamation plan includes specific details related to final reclamation of the Site as rangeland use after backfilling. Specific information contained in this document includes final grading, seeding, fertilizing, revegetation, topsoiling, and weed control. 6.4.5 (2) RECLAMATION PLAN REQUIREMENTS 6.4.5 (2)(a) Description of Reclamation Plan Reclamation of the Site will return the land to rangeland use after backfilling. The benefits of this plan include: • Creating usable property for rangeland use. • Increasing the visual attractiveness of the Site and surrounding area. • Providing private entities an alternative for disposal of clean materials (e.g.,basement over-excavations for housing developments). • Increased employment opportunities created by the backfill operations and reclamation of this Site. • Should ASCI decide to sell the property, this reclamation plan will allow for long-term flexibility when evaluating future development options. This could result in revenue to the City of Fort Lupton and the State in future taxes pending the redevelopment plan by a new owner. Of the 95-acre permit area for the Chavers Mining Resource, approximately 75 of the acres are mineable. ASCI is expanding the affected area from±75 acres to±87 acres for additional surface use disturbances only (no change to the±75 acres to be mined). With this amendment (AM-02), reclamation of all ±75 acres will be backfilled and the entire ±87 acres will be reclaimed for rangeland use. • Backfill Material: Backfill material will consist of on-site overburden, on-site crusher fines, wash plant fines, and imported clean, uncontaminated material consistent with the Construction Material Rule No. 1, Section 1.1 (22). It is ASCI's intention to use primarily native/natural earth and aggregate materials (e.g., sand, gravel, and rock) for backfill material. It is especially important to ASCI that only clean,uncontaminated materials are delivered to the Site. All backfill materials generated off-site will be delivered by reputable pre-approved contractors that have a history of working with ASCI and will adhere to the Site rules and guidelines. ASCI will collaborate with the contractors to obtain assurances that backfill materials are free of contaminants and are native or natural materials. ASCI will exercise every effort to learn as much as