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<br /> <br /> <br /> <br />EXHIBIT D (Cont'd) <br />The sand and gravel deposit is underlain by a relatively <br />impermeable shale. The shale acts as a bottom for the pit <br />throughout the excavation area. <br />Processing equipment may include, but is not limited to, <br /> <br /> <br /> <br />LJ <br /> <br /> <br />1 <br /> <br />1 <br /> <br />1 <br /> <br /> <br />C1 <br />crushers, screens, screw washer, sand classifier, trommel <br />screen and conveyors. The equipment will be operated in com- <br />pliance with air pollution standards. If required, a <br />Colorado Department of Health Emission Control Permit will <br />be obtained. <br />Fencing currently surrounds that area which was mined. <br />by the preceding operator. The fence is the prescribed <br />72 inches chain link with three strands of outward canting <br />(450) barbed wire at the top. As the mining operation <br />expands, the fencing will be shifted to surround the entire <br />operations area. <br />The small amounts of water to be used in dust control <br />and plant operation are highly variable since operating <br />days, windy days, rainy days and number of affected acres <br />fluctuate dramatically. <br />The operator's intention is to minimize disturbances <br />to the prevailing hydrologic balance of the affected land <br />and of the surrounding area and to the quality and quantity <br />of water in surface and ground water systems both during <br />and after the mining operation. <br />12 <br />1 <br />