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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 10031 <br /> Pete Lien&Sons, he May 12, 2025 <br />