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6.4.4 EXHIBIT D -MINING PLAN <br />Mining Description <br />The Mining Plan is described in this section and correlated with Exhibit C-2 Mine <br />Plan Map (C-2). Mining is sequenced with designated mining Cells A-D as <br />shown in C-2. <br />Mining will employ conventional aggregate mining techniques including use of <br />scrapers to unearth sand and gravel, backhoes to excavate sand and gravel and <br />haul trucks to move sand and gravel offsite. No processing will occur onsite. <br />Material will be processed at the Brownwood Pit (M-1979-059) processing area. <br />Haul Road <br />A haul road will be constructed between Cells A-B and Cells C-D. The haul road <br />will occur at the location of an existing unimproved road, which is approximately <br />10-12 ft wide. The road will be bladed to a width of 15 ft and graveled with <br />approximately 6" of gravel. <br />Earthwork <br />Earthwork will generally occur as indicated in Table 6.4.4-1. Sand and Gravel <br />extraction will follow stripping of each mining cell. Reclamation will occur <br />concurrently wherever possible. Mining cell depth will be approximately 20 ft and <br />pit highwall slopes will be approximately 0.5H:1 V. <br />Table 6.4.4-1. Earthwork Table <br /> VOLUME <br />SEQUENCE OPERATION OPERATION STOCKPILE OF <br />NUMBER CELL LOCATION STOCKPILE <br />[Yds~ <br />1. Strip Topsoil A South of -3,900 <br /> Cells A and <br /> B <br />2. Strip A Cell B -25,000 <br /> Overburden <br />3. Strip Topsoil B South of -6,500 <br /> Cells A and <br /> B <br />4. Strip Topsoil C Cell D -16,000 <br />5. Strip C Cell D --97,000' <br /> Overburden <br />6. Strip Topsoil D Cell C -27,000 <br />Maximum stockpiles occurring at any one time <br />Gardels Pit RevAR-1.0 <br />Regular 112 Permit Application <br />