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Two Rivers Gravel Pit Mine <br /> Riverside Berm Failure Analysis <br /> and Flood Control Mitigation Plan <br /> 7ech"olooicess January 22,2020 <br /> TWO RIVERS <br /> GROUNDWATER INFLOW <br /> Central Pit Analysis <br /> 16(ekwation Pit VdV CW Fdl Me PalSto <br /> PCrRIE$r(Pt) ft41r1 flit ' Vdmne❑IfferlYCe (AF{0) Fill CFS <br /> bm..) <br /> 13503 0-loft 130065 98m 0.13 497018 <br /> 13501 1420ft 1325A5 fim2 021 315205 <br /> 13503 2U30ft 135025 203 0.51 13VA17 <br /> 13501 30-32ft 27253 459 059 23L41 <br /> 42-08.88 TUWI!rays 1A5 K-="/d <br /> 0.725254 K=5Vfd <br /> W92 Amhf56 fm Cmtral Pit Perimeter is average between foe and—st Perim ams. <br /> K=25'/d y(fire sand)C=CO'Where 6 is efkdfiee grain six.in mm and C-854 F—dt will 6e i.—b—per day_ <br /> pg. 40 <br />