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EXHIBIT L BOND CALCULATION <br /> As of the January 2021 technical revision 36 acres of disturbance exist onsite. Therefore a <br /> reclamation bond based on 40 acres disturbance area will continue to be sufficient. The worst <br /> case reclamation scenario then consists of 40 acres of disturbance that needs to be topsoil and <br /> vegetated combined with 33 acres of lake that need to be dewatered to facilitate final topsoiling <br /> and grading. <br /> At this stage of mining, installation of the inflow/outflow structures and backfilling of the mining <br /> highwall to 3H:1V will be required over a distance of 1500'. Table L-1 contains a breakdown of <br /> the bonding cost. <br /> Table L-1 Bond Calculation <br /> Description Material Unit Unit Cost Cost <br /> Quantity <br /> Pit dewatering for a 33 acre lake. 660 Acre-ft $105 $69,300 <br /> VE/i/i <br /> Topsoiling to 12 inches deep the maximum disturbance 64,533 CY $1.50 $96,800 <br /> area of 40 acres. <br /> Seeding of 40 acre disturbance area 40 acres $400 $16,000 <br /> � WM <br /> r 40 acre d;' ENE/4 <br /> Weed control management for two years on 40 acres 40 acres $220 $8,800 <br /> DRMS cost(28%) $72,549 <br /> Total $331,654 <br /> Bunn Ranch Pit <br /> E-1 f <br /> January 2021 t::.eganrictci and AsS.ca:iaxes,F't..1.,(. <br />