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expected that approximately 30 percent of the removed overburden will be lost due to large <br />roots, stumps, and general handling of the material. <br />Herbicides will be applied annually to control weed growth on the stockpiles, a weed control <br />plan will be implemented for the entire site (See Exhibit E) and will remain in effect during the <br />entire life of the mine. <br />Setbacks between the mining area and the permit boundary have been maintained to protect <br />the integrity of the adjoining land. The sand and gravel removal process will be conducted <br />using loaders, and /or excavators. Blasting of the resource is not necessary. Front end loader(s) <br />will transport the sand and gravel resource to a nearby crushing and screening area located <br />within the extraction area, or the haul trucks. The crushed and screened material will then be <br />loaded, transported and stockpiled according to size nearby, or hauled to a construction site <br />for use. Extraction of the sand and gravel resource will typically occur in two approximate <br />equal 20 foot thick lifts. Sheet 2 in Exhibit C illustrates the location and slope the perimeter <br />mine high walls. The maximum anticipated height of the high wall will be approximately 50 <br />feet. Mining along the perimeter of the mine area will be conducted at a three (horizontal) to <br />one (vertical) slope which would result in a maximum 150 foot slope face. <br />TIMETABLE - Several factors affect the total life of most sand and gravel operations. Most <br />notable is the surrounding communities' future aggregate needs. Other factors include: <br />❑ Local, State, and Federal Economic Trends <br />❑ Future Local Growth Trends <br />❑ Major Public and Private Improvement Projects - <br />Highway Improvements <br />School Buildings <br />Governmental Buildings <br />❑ Major Commercial Buildings <br />A Based on the information presented herein, in conjunction with past aggregated needs in the <br />area, it is forecasted that the gravel will be depleted in about 25 years. It should be pointed <br />out; forecasts are based on current and past available information. Inherent with any forecast <br />is a degree of uncertainty. <br />Mining will occur in five distinct phases that are illustrated on Sheet 2 in Exhibit C. That <br />maximum disturbed area, not including prior reclaimed areas, is anticipated to be 10 acres. A <br />summary of each mining and reclamation activates on a phase by phase basis is presented on <br />the following tables: <br />Rev. 02/25/10 2 <br />