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MINING PLAN EXHIBIT C <br /> The land will remain pasture as mining progresses and we will <br /> strip the vegetation from it as needed. <br /> Of the 9 .99 acres ± in the permit area, approximately 8.88 <br /> acres ± will be mined and 1. 11 acres ± will be setbacks main- <br /> tained from the permit lines. The setbacks from the permit line <br /> will be 15 feet and then the 3 : 1 slopes will begin into the <br /> ottom of the mine. The site will be left as a shallow (25 ft. <br /> deep) hole in the surrounding crop land. <br /> The site will be mined from the north towards the south) <br /> expanding the face as we progress. The exact method used to <br /> remove the material will be determined when mining begins. Our <br /> two options are to use a dozer to mine the material and stockpile <br /> it for loadoutior remove material a working face and load <br /> into trucks for removal from the site. <br /> Review of well data on the surrounding area indicates the <br /> water table is more than 150 feet below the existing ground <br /> surface in this area. We do not expect to encounter ground water <br /> on this site because it is isolated from any surface water <br /> features. We will not affect the hydrologic balance of surface <br /> or subsurface water in the area. <br /> The exterior slopes around the site will be maintained as <br /> mining progresses so no side slope grading will be necessary if <br /> mining ends prematurely. The exterior slope rate will be 3h to <br /> lv from the existing ground level to a point that is approxi- <br /> mately 25 feet below the existing ground surface. The floor of <br /> the mine will be graded as level as possible as, shown on Map Exhibit <br /> E-2. Mining will be done by either pushing the material into <br /> piles from the upper level to the bottom of the mine or opening a <br /> working face across the site and loading into trucks. The <br /> exterior slope will be graded as the face moves so we limit the <br /> length of the face and keep the bond under control. It will also <br /> reduce the amount of grading necessary as mining ends . The <br /> RECLAMATION MAP - E-2 shown on page 14 depicts how we think the <br /> slopes will look when mining end_s�. The final depth may be deepe <br /> depending on the actual reserves found as mining progresses . If <br /> it is deeper the sloping plan presented above will be followed. <br /> This deposit is a wind blown deposit of sand lying under the <br /> Haxton loamy sand soil series. This deposit is typically found along <br /> the edges of the sandhills that lie south and west of Yuma in <br /> western Yuma County. This sand deposit has an unknown depth but <br /> 8 <br />