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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 /> SPR WSP Plan:SPR al Two Rivera WSP 120012019 <br /> r <br /> 4705 SIN Two RMera <br /> Let7antl <br /> WS i00 yr <br /> WS t00-yr <br /> 4700 ws 50-yr <br /> wsiayr <br /> C7rouM <br /> 4695 �— LeRI_eyag <br /> 4690 <br /> u 4685 — <br /> 46W <br /> 4675 <br /> 4670 <br /> 0 2000 4000 6000 mm 10000 <br /> Men Channel Distance(ft) <br /> i f <br /> Figure 8. Central Pit <br /> South Platte River 100-yr water surface profile along Central Pit. <br /> 378 <br /> • <br /> 396 <br /> 206 <br /> 394 <br /> Z <br /> 4 � ff <br /> pg. 22 <br />