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State Rea. <br />element toxicity problems (see Tab 6 -Geologic Information -Overburden <br />LamcemoTaY) . <br />4.06.3 N. 'i13P90II, FI11t~L1TTG SCF~JI.~E <br />Topsoil removal and replao®erK. depths have been estimated for the life of <br />mine by calailating an aruu~al topsoil l~r]get (see Tab 9-1, Seckion ZII) . <br />'II~e topsoil salvage and redistributicn operation will maxim;ze take aryl <br />put ma+hrrla whenever feasible througtrcut the life of the permit. <br />technirnlP iS eooncmmically desirable and also ma;*++a;n; a high topsoil <br />quality including direct transfer of viable seeds and roots, low <br />o~action, better stn:cture, i,y-r-~~ aeration, and high nutrient <br />status. <br />Zbpsoil stockpiles will be located in areas where they will not be <br />disturbed by ongoing mining operations aryl where the stored topsoil will <br />not be last to wind erosion ar surface riunff. Also, stockpile locations <br />• Wlll be evaluated to minimize SCrdpel' travel d1St3rICe, to reduce equlpmerrt <br />cost, and to i*+~-~~ efficiency (see Exhibit 12-1, Operations Plan). <br />Topsoil salvage and redistribution will generally be limited to late <br />sprj_r~q, c~mvmr~ aid fall periods when surface soils can be handled with <br />mini mw~ physical degradation. Increased topsoil stockpile storage may <br />occasionally be necessary in late fall and early winter to maintain an <br />adequate buffer between pits and rnndisttubed soils during upocaniny snow <br />baud winter months. <br />Soil replacement will be initiated once final grading, as shown on the <br />Backfilling and Grading Schedule, Exhibit 13-2, is con~leted. Soil <br />recL~ibution and seeding will follow the Reclamation Scheduling <br />timetable presented in Tab 13. Soil replacamnt shall occur as <br />oorrtm~ar~arreously as practicable per Rule 4.13. <br />C~ <br />9-9 Revised 01/15/93 <br /> <br />