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' Banks and Gesso, LLC <br />' approximately 740,000 cubic yards of topsoil and overburden during the mining <br />' process. In addition, approximately 470,000 cubic yards of clay material within <br /> the alluvium will be salvaged from the new mining areas. Approximately 640,000 <br />' <br /> cubic yards of backfill will be required to slope the near-vertically mined pit walls. <br />' The topsoil requirement as plant-growth medium for the disturbed surface <br /> acreage will be approximately 110,000 cubic yards to cover the perimeter of the <br />' <br /> reservoir and other disturbed areas at 12 inches deep. The amount of topsoil <br />' required for surface reclamation as plant-growth medium is minimal compared to <br />' the amount that is available. <br />Topsoil Preservation <br />' The location of the topsoil stockpiles will be within the permit area and located <br />along the western property boundaries. Typical topsoil berm locations can be <br />' seen on Exhibit C-3. These locations will minimize impacts to the floodplain, as <br />' well as reduce noise and visual impacts to the neighbors. <br />' Topsoil stockpiled in berms for later use in revegetation will be placed on a stable <br />surface within the permit area and will be clearly marked. These topsoil <br />stockpiles will be protected with temporary revegetation from disturbances <br />' associated with the mining operation and from wind and water erosion, <br /> compaction and other disturbances that would reduce its capability to support <br /> permanent reclamation vegetation. The operator will be required to maintain <br /> i <br />l b <br />i <br />d <br /> only as much topsoil in storage for surface reclamation as w <br />l <br />e requ <br />re <br />to <br /> <br /> Brighton Mine Conditional Use Permit 29 20007WD <br />' CAMAS Colorado, INC. May 2000 <br />