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Dewatering <br /> Dewatering trenches will be placed along the perimeter of each mining area. The dewatering <br /> trench around the perimeter of the phase being mined will be placed at the toe of the mining <br /> slope. As the phase is mined deeper the dewatering trench will be lowered and moved laterally <br /> along the mining slope toward the center of that phase. Slurry walls are anticipated to be <br /> installed around the perimeter of prior to exposing groundwater and mining will continue to <br /> commence in those phases and it is expected minimal dewatering will be required after the <br /> slurry walls are installed due to the slurry walls cutting off groundwater infiltration into the pit. <br /> Ogilvy River Farm, LLC will have an approved substitute water supply plan and well permit prior <br /> to exposing groundwater. The substitute supply plan will be updated annually to account for <br /> water that is consumed due to exposing groundwater by the mining operation. <br /> Explosives <br /> Explosives will not be used during mining. <br /> K� d&T Consulting, gilvy River Farm,LLC <br /> V Inc.. Ogilvy River Farm Pit <br /> DRMS 112 Permit Application <br />