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Reclamation Plan-Amendment <br /> Exhibit E <br /> 6.4.5(2)(f) Specifications on Revegetation Factors <br /> 6.4.5(2)(f)(i)Final Grading <br /> The final slope will be graded to blend with the existing topography. <br /> 6.4.5(2)(f)(ii) Seeding <br /> A native grass seed mix is sufficient for revegetation projects within the affected lands. Table E-1 pro- <br /> vides the grass seed mix recommended by the U.S. Department of Agriculture(USDA)Natural Resource <br /> Conservation Service(NRCS)division.' This seed mix provides a cover crop to stabilize soil surfaces <br /> and to initiate successional processes compatible with the adjacent montane forest. <br /> Table E-1. NRCS recommended seed mix,May Day Idaho Mine Complex <br /> Grass Species PLS*/acre; rates ova in mix Rate** <br /> (non-irrigated) PLS lb/acre) <br /> Mountain brome grass Bromus martinatus 10.0 30 6.0 <br /> Idaho fescue Festuca idahoensis 2.0 30 1.2 <br /> Slender wheatgrass Elymus trachycaulus 5.5 25 1 2.8 <br /> Big bluestem Andro 0 on gerardii 1.0 15 0.4 <br /> Total 18.5 100 10.4 <br /> * PLS=pounds of pure live seed; <br /> ** Broadcast Seeding Rate is per NRCS recommendation <br /> Seed broadcasting will be applied at a rate of 10.4 pounds pure live seed(PLS)per acre. As suggested <br /> by the US Department of Agriculture,broadcast seeding rate on steep slopes will be doubled. Seeding <br /> will be performed during the fall season-Approximately September through October. <br /> 6.4.5(2)(f)(iii)Fertilization <br /> Irrigation and soil amendments other than mulch will not be used. <br /> 6.4.5(2)(f)(iv)Revegetation (transplanting) <br /> The tree and shrub species identified on Table E-2 will be transplanted in appropriate disturbed areas. <br /> Shrub species may be substituted. Trees and shrubs will typically be planted on approximately 10 foot <br /> centers. <br /> 1 Recommendation from Valerie J.Lovett,NRCS 3-Sep-2010. <br /> 112d Permit <br /> May Day Idaho Mine Complex <br /> Revised March 8,2017 <br /> Exhibit E—Rule 6.4.5 Page 6 of 7 <br />