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Paul Banks and Associates, LLC <br />Acid and Toxic Producing Materials /Explosives <br />No acids or toxic producing materials (or refuse) will be exposed as a result of mining <br />operations. No explosives will be used. <br />Processing <br />Pit run sand and gravel will be transported from the dewatered pit area by loader, truck, <br />and /or conveyor to the plant/material stockpile area. Pit run is then fed either into a <br />crusher (if necessary), or directly into a wet screen. At the screen, the pit run will be <br />separated into various material stockpiles. <br />The oversize rock may be crushed, depending on market conditions, and returned back <br />into the screening circuit. <br />The rock products will be washed via water spray bars. The sand will be washed via <br />sand screws. The rock products will be stacked via conveyor, then loaded and <br />stockpiled via front -end loader. The washed concrete sand will be conveyed, then <br />stockpiled via stacking conveyor. Material will be transported offsite via truck. <br />Commodities Produced and Used <br />Specification aggregates will be produced including concrete sand, road base, coarse, <br />aggregates, and other construction material products. The primary use will be for <br />concrete aggregates at Pete Lien & Sons' concrete plant in Colorado Springs. No <br />incidental products are planned to be produced. <br />St. Barbara Sand and Gravel Mine <br />Pete Lien & Sons, Inc. 11 <br />10031 <br />June 15, 2011 <br />