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<br />RECLAMATION COSTS <br />Henderson Mine, Pernrit #M-77-342 <br />Many affected areas are being revegetated, but are not considered totally reclaimed. Estimated <br />costs and concomitant financial warranty for such areas aze adjusted downward as reclamation <br />occurs and upward to cover additional disturbed areas. Because of the continuously c;hanging <br />acreage and status of affected land, the Board stipulated that reclamation costs be updated every <br />two years in conjunction with submittal of the annual report and map. We have refined our <br />acreage estimates, our methods, and our costs. The estimated costs (in 1998 dollars) of <br />reclaiming all a~iticipated disturbances through 1998 is $9.679 million. <br />A. SITE TYPE CALCULATIONS <br />Mine site (computed for 15 acres), mostly comprised of a fragmented rock growth <br />medium. <br />Activity Mau <br />Days Labor/ <br />Equipment Material Total <br />Site Prepazation 10 $6,930 $0 $6,930 <br />Haul/spread sewage sludge ]0 $4,590 $575 $5,165 <br />Haul/spread wood chips 5 $5,335 $0 $5,335 <br />Stockpiling 6 $1,145 $0 $1,145 <br />Mixing sludge and chips 6 $1,145 $0 $1,145 <br />Seed 2 $2,235 $2,585 $4,820 <br />Fertilizer 4 $2,235 $295 $2,530 <br />4,500 trees (300/acre) 21 $1,930 $3,1 ZO $5,050 <br />600 shrubs (40/acre) 7 $1,010 $2,480 $3,490 <br />0 % Freight & Tax - - $915 $915 <br />Maintenance fertilize 4 $2,235 $295 $2,530 <br /> Total for l5 acres... $39,055 <br /> Cost per acre... $2,605 <br />