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EXHIBIT L WORST CASE RECLAMATION SCENARIO <br /> The worst case reclamation scenario at the Tower Pit will be once the maximum disturbance area <br /> of 10 acres has been developed. Mining operations will move through the site, staying in the <br /> active area. A truck scale and office trailer will be located near the entrance, and will need to be <br /> removed. A detailed breakdown of reclamation tasks can be seen below. <br /> 1. Reclamation Tasks and Costs <br /> • Remove truck scale and office trailer= $7500. <br /> • Active highwall area knockdown (dozer work)=250 ft of OH:1 V to 2H:1 V slope (cross <br /> section area of 3600 sq. ft) at 27 CF/CY= 33,333 CY at $0.50/CY= $16,667. <br /> • Topsoiling of 10 acres of disturbance at the end of mining (loader work). 10 acres at 12 <br /> inches deep (116,133 CY) at$1.50/CY = $24,200. <br /> • Rangeland seeding and mulching of the maximum disturbed area. 10 acres at $850/acre = <br /> $8500. <br /> Table L-1 Phase 2 Reclamation Task and Cost Estimate <br /> Activity Description Time(Months) Cost($) <br /> Remove truck scale and office trailer 0.5 7500 <br /> Active highwall knockdown 2 16667 <br /> Topsoilings of all disturbed areas 2 24200 <br /> Revegetation of disturbed areas. Includes seeding and mulching. 3 8500 <br /> Subtotal 7.5 $56,867 <br /> DRMS Costs(28%x direct costs) $15,923 <br /> Total Bond Amount $72,790 <br /> The total bond for the Tower Pit will be $72,790. <br /> Tower Pit Greg l.ewicki and Asswiak-s,PIRA' <br /> October 2018 L-1 <br />