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Task # <br />Description <br />Time <br />Needed <br />(Months) <br />1 <br />Build new surface shop and underground shop <br />2 <br />2 <br />Regrade old Revenue waste to stable slopes, and build Sediment <br />Ponds 2 and 3 <br />2 <br />3 <br />Mining begins. Build Revenue waste pile. <br />39.6 <br />4 <br />Construction of Sediment Pond 1 and Atlas regrading to store <br />imported topsoil after COE wetland permit approval. <br />1 <br />5 <br />Build Atlas waste pile. Cap and revegetate Revenue waste pile. <br />Begin storing imported topsoil for Atlas waste pile reclamation. <br />97.2 <br />6 <br />Mining ends. Cap and revegetated Atlas waste pile. Remove <br />Sediment Pond 2. <br />2 <br />7 <br />Backfill underground storage and mill portal. Remove Sediment <br />Pond 1. <br />2 <br />8 <br />Remove some surface facilities. <br />1 <br />9 <br />Backfill underground storage portal and tailings loadout portal. <br />0.5 <br />10 <br />Regrade, cap, and revegetate all remaining disturbed areas. <br />Install Revenue portal bat gate. <br />1 <br />Total months <br />144.3 <br />Total years <br />0.08 <br />Table E -1 Mine Life Timetable <br />Note The waste piles will be reclaimed as they are constructed. Topsoil will be placed on lifts as they are completed, and revegetation will take place <br />promptly after topsoiling. <br />Revenue Mine August 2012 E -3 <br />