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Pre-Mining—Slope 2: 0.107 tons/acre/year <br /> The 2019 sedimentology evaluation data shows post-mining condition sediment loss to be <br /> less than pre-mining conditions. <br /> Post-Mining—Slope 3: 0.055 tons/acre/year <br /> Pre-Mining—Slope 3: 0.094 tons/acre/year <br /> The 2019 sedimentology evaluation data shows post-mining condition sediment loss to be <br /> less than pre-mining conditions. <br /> Summary and Conclusions <br /> The Division has completed its review and evaluation of the SL-19 partial Phase II Bond Release <br /> application submitted by Colowyo for the Colowyo Mine. The Division proposes to approve this <br /> Partial Phase II Bond Release on 238.2 acres for portion of the East and West Pits and GFO1. Based <br /> upon a review of the mine permit,the applicant's bond release application, and site inspections,the <br /> Division finds that Colowyo has completed topsoil replacement and vegetation cover requirements <br /> per Rule 3.03.1 and Coloywo's PAP. The Division finds that Colowyo has achieved the <br /> requirements for partial Phase II Bond Release at the Colowyo Mine. <br /> V. PROPOSED DECISION <br /> Based on the observations in Section IV above,the Colorado Division of Reclamation,Mining, and <br /> Safety proposes to approve Colowyo's request for a partial Phase II bond release for the Colowyo <br /> Mine. This proposed decision will release the applicant of Phase 11 reclamation liability on 238.2 <br /> acres for portion of the East and West Pits and GFO1, as shown on Figure 1 at the end of this <br /> document. <br /> The Division holds a performance bond in the amount of$115,000,000.00 for the Colowyo Mine. <br /> The Division has calculated the amount associated with the partial phase II bond release area and it <br /> totals $477,276.00. The Division estimates its cost to complete remaining reclamation work at the <br /> Colowyo Mine to be $114,085,312.00. This amount is sufficient to assure completion of the <br /> remaining reclamation work to the Colowyo Mine if the work had to be performed by the Division, <br /> including the cost of reestablishing vegetation on any revegetated areas,should those areas fail. <br /> With the releasable amount of$477,276.00,the Division will still hold a bond in the amount of <br /> $115,000,000.00 which is $914,688.00 more than the minimum required liability to fully reclaim <br /> the remaining disturbed areas at the Colowyo Mine. <br /> Any person with a valid legal interest which might be adversely affected by this proposed decision <br /> may request a formal public hearing before the Mined Land Reclamation Board in accordance with <br /> Rule 3.03.2(6). Public notice of this proposed decision will be published twice in the Craig Daily <br /> Press as soon as possible. Requests for public hearing must be submitted to the Division in writing <br /> within thirty days of the first publication in the Craig Daily Press. If no hearing is requested within <br /> those thirty days,the Division's decision will become final. <br /> Proposed Decision and Findings of Compliance October 26,2020 <br /> Partial Phase II Bond Release SL-19 Page 8 <br />