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Mining will begin in the Phase I area as shown on the accompanying Mining Plan Map(refer to Exhibit C <br /> Map Preliminary Mining&Mining Plan Map). <br /> First,topsoil will be removed to its'full depth (12" or less)and stockpiled on the south and east <br /> perimeter of the area to be mined.This stockpile will be in the shape of a berm approximately 4 feet in <br /> height and 15 feet wide at the base.The berm will be seeded with a grass mixture approved by the Soil <br /> Conservation Service and mulched with straw.Seeding and mulching will be done mechanically with a <br /> broadcaster attached to a 4 wheel UTV. <br /> After the soil stockpile is finished, mining will begin in the northeast corner of the Phase I area at the <br /> rate of 6.8 acres per Phase and proceed westerly and northerly.The pit will be excavated with <br /> bulldozers and the material will be fed to a portable crusher and screen plant for processing by rubber <br /> tired bucket loaders.Side slopes will not exceed 3:1 slopes and there will be no highwalls.The pit will be <br /> excavated to a depth of approximately 40 feet or 7880 feet above mean sea level. In no case will mining <br /> occur at or below the groundwater surface. <br /> After the material is processed into various products ranging from road sand to%" minus gravel,to 3" <br /> minus road base,it will be transported to either a concrete batch plant or asphalt hot plant located as <br /> shown on the accompanying Mining Plan map. <br /> Some of the material will be hauled directly off the pit to the County Road for transportation to the <br /> intended customer. <br /> Each phase of this pit is expected to last about 2 years,with Mining commencing in 2025 and ending in <br /> 2035.After mining is completed in each phase,the accompanying reclamation plan will be <br /> implemented, phase by phase. <br /> Mining Plan Time Table <br /> Phase# Time Span Acres Reclamation Year <br /> Phase 1 2025 6.8 2026 <br /> Phase II 2026 6.8 2027 <br /> Phase 111 2027 6.8 2028 <br /> Phase IV 2028 6.8 2029 <br /> Phase V 2029 6.8 2030 <br /> Phase VI 2030 6.8 2031 <br /> Phase VII 2031 ---- --_— 6.8 _ _-- 2032 <br /> Phase VI11 2032 6.8 2033 <br /> Phase IX 2033 6.8 2034 <br /> Phase X 2034 6.8 2035 <br /> Summit Engineering Job Number: 240328CE 17 <br /> 719-589-6147 <br /> Alamosa, CO <br />