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6.6 Re-vegetation <br /> Following topsoil replacement, reseeding will be performed according to SCS <br /> recommended practices. Based on SCS guidance for other local projects having similar soils, the <br /> following re-vegetation procedures are anticipated: <br /> • Grass seed will typically be planted in unfrozen soil between October 1 and April 30. <br /> • Grass seed will be planted with a grass drill or, where necessary, with a broadcast <br /> seeder. <br /> • The proposed seed mix and application rates in pounds of pure live seed per acre are <br /> described on the following pages. <br /> • If necessary, critical areas may be covered with straw or hay mulch to control erosion <br /> during germination. <br /> • Weed-control practices will be implemented as required. <br /> The above procedures may be modified as conditions dictate. <br /> In areas that are peripheral to the Stage 1 wetlands, marsh and aquatic plants will <br /> establish themselves. The types of wetland plants anticipated to colonize Stage 1 include cattails, <br /> willows, cottonwoods, and bull-rushes. <br /> 6.7 Buildings and Structures <br /> Prior to the completion of mining Stages 6 and 7,the sand and gravel processing plant and <br /> ready mixed concrete plant will be removed along with all associated structures such as scales, <br /> offices, equipment repair facilities and related structures if any. As mining in Stages 6 and 7 is <br /> completed, all field conveyors will be removed including the wash water pipeline from the <br /> processing plant to Stage 2. Finally,the scale house and administrative building will be removed <br /> along with any other related structures. <br /> The overland conveyor system required for transport of sand and gravel to the process area <br /> is portable and will be removed once all mining is completed. <br /> 9 <br />