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• Establishing vegetative cover will aid in overall stabilization and erosion control of stockpiles. <br />Vegetative cover will aid in reducing runoff and raindrop impact and will increase moisture <br />infiltration by maintaining the upper soil surtaces in a friable, noncrusted condition. Organic <br />matter, soil nitrogen, and microorganism activity will be maintained or enhanced by the seeding of <br />deep rooted species or species with fibrous root systems. <br />Topsoil Replacement. Topsoil will be replaced only when the approved postmine contours are <br />achieved and when no additional disturbance is anticipated. Topsoil will not be replaced on <br />temporary reclamation sites such as haul road ditches, cut, slopes and fill slopes, pond <br />embankments and spillways, and diversion ditches. Temporary reclamation sites will be seeded <br />and stabilized as described in Section 2.05.3(2)(e) Revegetation. Topsoil will be replaced within <br />the aforementioned areas once final reclamation is achieved. Topsoil shall be replaced along the <br />contour, whenever feasible, to minimize potential erosion and topsoil/spoil interface slippage <br />problems. This practice will be discontinued on steep slopes where the safety of the equipment <br />operator is in jeopardy. Topsoil which is replaced on mined areas will be scarified on the contour <br />to a depth of 12 to 24 inches with a chisel plow or ripper. The operation of seed bed preparation <br />will also reduce compaction, increase infiltration, and promote surface roughness. Spoil and <br />. topsoil scarification is also discussed in the Seed Bed Preparation section of the Revegetation <br />Plan, Section 2.05.4(2)(e). <br />• txevieaa is No., oz~ 2.05.4(2)(d) - 13 <br />