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(c) Water Diversions and Impoundments <br /> No surface water diversions are planned for the site. Groundwater shall be <br /> diverted by pumping from dewatering trenches to a settl ng pond impoundment <br /> as shown in Exhibit C-2. <br /> (d) The Size of Areas to be Worked at Any One Time <br /> Since both Cells 2 and 4 will be worked at the same time, the size of area to be <br /> worked at any one time is approximately 61 acres. <br /> (e) Mining Timetable <br /> Currently, the only remaining pit run occurs in Cell 4. Mi ling of Cell 4 is expected <br /> to be completed by the end of 2021 or beginning of 2022. Additional excavation <br /> of Cell 2A will occur 2021-2022 to advance the reservoir volume, however no <br /> saleable material remains in Cell 2A. <br /> (f) The Nature of Deposit to be Mined and Overburden <br /> The thickness of sand and gravel to be mined varies frorn 0-14 ft. The thickness <br /> of overburden varies from 5-13 ft. The stratum underneath the sand and gravel <br /> deposit is weathered claystone followed by indurated claystone. <br /> (g) Secondary Commodities <br /> Overburden will be used as structural fill for various local construction projects. <br /> (h) Use of Incidental products <br /> Other than structural fill identified above, no other incidental products are <br /> expected to be extracted from the site. <br /> (i) Explosives <br /> No explosives will be used <br />