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- 1A <br /> 1 A 1B 2A 2B <br /> I I I <br /> 75' <br /> 75' 90' <br /> Phase ?:: North Pit Stages 2 and 3 Phase 4: Final Recta :.tion <br /> 3A 3BNorth P11 <br /> South At <br /> PHASE <br /> Phase tA: Mine South Pit to Around water,excavate Stage 1 to design depth:backfill fines in Stage 1 while excavating Stags ig <br /> Phase 18: (a)Excavate Stage 1 of North Pit to 20'depth;(b)Stare water from South Pit in Stage 1;(e)Mine South Pic w design <br /> depth <br /> PHASE 2 <br /> _ Phase 2A: (a)Mine Stage 1 of North pit to groundwater;(b) Backfill South Pit with overburden and fines to 1 S'above groundwater <br /> Phase 2B: la)Mine Stage 1 of North Pit to design depth;(b)Store groundwater in South Pit <br /> PHASE 3 <br /> Phase 3A: (a)Mine Stage 2 of North Pit to design depth;Ib)Sacklill Stage i of North Pit with overburden and fines to 15'above <br /> groundwater,replace topsoil;(c)Store groundwater in South Pt <br /> Phase 38: (a)Mine Stage 3 of North Pit to design depth;(b)Backfill Stage 2 of North Pit with overburden and fines to 15'above <br /> groundwater.replace topsoil;(c)Store groundwater in South Pit <br /> PHASE 4orth <br /> above groundwater. el'90r Fith nal rReclama[ionl Icl Southins pond for r'HtltBackfilled to 15' above groundwater. el:90'.Pitbackfilled <br /> topsoil- <br /> above <br /> iop o�l- 15' <br /> Figure 14 <br /> Reclamation Sequencing Concept <br /> DESILVA GATES QUARRY <br /> SAN JOAQUIN COUNTY, CALIFORNIA <br /> RESOURCE DESIGN <br /> T E C H N O L O <br /> tc <br /> 1 <br />