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1 - - � 2A � 2B � <br /> A i 1B <br /> , rr:d 3 Phase 4: Final Recla,r :on <br /> Phase !orth Pit Stages <br /> — 3A 3B I Hud htl <br /> 5,0• ; <br /> 90' \ <br /> +i _ \ ri \�✓✓////90' South Ft <br /> \\ <br /> PHASE 1 <br /> Phase 1 A: Mine South Pit to groundwater, <br /> excavate Sage 1 [o design depth;backfill fines in Stage I while excavating Stage 2 <br /> Phase 1B: (a) Excavate Stage 1 of North Pit to 20'depth;(b) Store water from South Rt in Stage 1:Icl.Mine South Pit to design <br /> depth <br /> PHASE 2 <br /> Ph.se 2A: (al .Mine Stage 1 of North Pit to groundwater, (b) Backfill South Pit with overburden and fines to 15 above groundwater <br /> Phase 28: (a1 .Mine Stage 1 of North Pit to design depth: (b).Store groundwater in South Pit <br /> PHASE 3 <br /> Phax 3A: fa: Mine Stage 2 of North Ft to design depth: (b) Backfill Stage Lof North Rt with overburden and finesto 15'above <br /> groundwater, replace topsoil:(cl Store groundwater in South At <br /> Phax 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;lcl Store groundwater in South Pit <br /> PHASE 4 <br /> Phase 4: (a1 Scage 3 of North Pit remains as pond for agricultural use. el:7i';Ib'. Stage 1 and 2 of North Pit backfilled to 1 S' <br /> above grouncwater, el: 90' (Final Reclamation!lc! South Pit Backfilled to 1 S' above groundwater,el;90' replace topsail. <br /> Figure 14 <br /> Reclamation Sequencing Concept <br /> DESILVA GATES QUARRY <br /> SAN JOAQUIN COUNTY,CALIFORNIA <br /> RESOURCE DESIGN <br /> T E C H y 0 L O G Y. I d C <br /> 4 _ <br /> f. <br /> S � r ��. �;� �t*?��'� . �I 1 is . � +� '.''�5•:i n'�r� �`�'a�w <br />