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April 4, 2013 <br />To: Marcia Talvitie <br />From: Susan Burgmaier�'� <br />Re: New Horizon Mine (Permit No. C- 1981 -008) <br />Permit Renewal No. 6 <br />Reclamation Cost Estimate <br />i have completed a revised cost estimate for Permit Renewal No. 6 (RN -6) at the New Horizon <br />Mine. I have estimated the reclamation costs for the site to be $5,702,700.81. <br />The reclamation costs had not been calculated since June of 2009, so the increase in equipment <br />operating costs are substantial. Additionally, there were a few major changes to the estimated <br />reclamation costs. Specifically — <br />• Earthmoving volumes increased substantially, since the pit is now at maximum length <br />for the permit term. <br />• Revegetation costs rose due to modifications to the revegetation plan and postmining <br />land uses approved in PR6. <br />• irrigation costs were reduced since the area to be irrigated was reduced with PR6, and <br />also costs per acre are lower than in 2009. <br />Prior to this bond release, the estimated reclamation cost for the entire site was $5,042,302.00; the <br />current estimate with RN -6 is $5,702,700.81. WFC will need to post an additional $660,398.81 <br />bond. The revised reclamation cost estimate packet is attached. Should you or the operator have <br />questions or need additional information, please let me know. <br />cc: Sandy Brown, w /out enclosure <br />