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EXHIBIT D: MINE PLAN <br /> Contents <br /> 1 Introduction............................................................................................................................. 3 <br /> 2 Mining Methods ...................................................................................................................... 3 <br /> 3 Underground Operations ........................................................................................................ 4 <br /> 3.1 Drifts and Tunnels ............................................................................................................ 4 <br /> 3.2 Raises................................................................................................................................ 4 <br /> 3.3 Ventilation........................................................................................................................ 6 <br /> 3.4 Resue Mining Method...................................................................................................... 8 <br /> 3.5 Explosives and Blasting .................................................................................................... 8 <br /> 3.6 Ore Handling .................................................................................................................. 10 <br /> 3.7 Crushing.......................................................................................................................... 12 <br /> 3.8 Lead Circuit..................................................................................................................... 13 <br /> 3.9 Zinc Circuit...................................................................................................................... 14 <br /> 3.10 Tailings............................................................................................................................ 14 <br /> 4 Surface Facilities.................................................................................................................... 15 <br /> 4.1 Surface Mine Equipment................................................................................................ 16 <br /> 4.2 Waste Rock and Tailings Management.......................................................................... 17 <br /> 4.2.1 Revenue TSF............................................................................................................ 19 <br /> 4.2.2 Atlas TSF.................................................................................................................. 19 <br /> 4.3 Waste Rock Storage ....................................................................................................... 20 <br /> 4.4 Soil Excavation and Stockpile Areas............................................................................... 21 <br /> 4.5 Fuel and Oil Storage Areas and Reagent Storage .......................................................... 21 <br /> 4.6 Mine Equipment Storage and Shop Building ................................................................. 21 <br /> 4.7 Personnel Facilities and Compressor Building............................................................... 21 <br /> 4.8 Designated Parking and Storage Areas.......................................................................... 22 <br /> 4.9 Mine Access Roads......................................................................................................... 22 <br /> 4.10 Utilities ........................................................................................................................... 22 <br /> 4.11 Waste Storage................................................................................................................ 23 <br /> Revenue Mine <br /> Amendment 02 D-1 <br /> Updated August 2022 <br />