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8. The only topsoil stockpile on site will hold approximately 6,000 C.Y. If further <br />storage is needed, the division will be notified prior to the construction of additional <br />stockpiles. <br />9. The area delineated by the 5065 contour line within Mining Area 1 is 8.58 acres. <br />Over this area the surface elevation would average approximately 5 feet below the <br />5065 elevation. This would result in approximately 43 acre-feet of water needed to <br />fill the depression prior to discharging surface water through the 5 foot culvert <br />leaving the site. Additionally, within the channel in Mining Area 1 a small area of <br />approximately 0.39 acres will not be topsoiled. The purpose of this is to allow an <br />infiltration area for collected stormwater. This area will be at the same grade as the <br />surrounding land and erosion is not expected to be a problem from this area. The <br />infiltration area will be seeded but is not expected to have as good of cover as the <br />topsoiled areas. A revised Map F is included. <br />10. The channel will have 5H:1V slopes and will be F deep. The surrounding pit floor <br />will slope to the channel at 2% and the side slopes will be 3H: IV. Attached is a <br />typical East to West Cross Section.