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into the ground using rebar that extends at least 18" below ground level.The hay bales will <br /> be left in place until revegetation is complete. <br /> See Drainage Letter(Exhibit G-1), Drainage Map (Exhibit G-2),and Drainage Calculations (Exhibit <br /> G-3)for additional information. <br /> 3. Groundwater <br /> No known aquifers exist within the permit area.Groundwater pumping will not be needed for <br /> mining of this property. <br /> 4. Water Consumption for the Operation and Water Rights Issues <br /> As the operation will not expose groundwater,evaporative losses will be negligible. <br /> Water will be imported and stored for dust control.Consumptive use for road dust control will <br /> be minor since the access road will be primarily maintained with magnesium chloride and/or <br /> water as needed. Under very dry conditions and high truck traffic,water may be used.This is <br /> estimated to be as much as 2.8 acre-feet per year. <br /> Asphalt/crusher plant consumptive use is calculated to be 1.0 acre-feet per year. <br /> Permanent reclamation plantings for the site will not require an irrigated water source. Natural <br /> moisture will be used to establish and maintain the vegetation. <br /> A summary of consumptive uses is given below: <br /> Use Type Basis Acre-feet/year <br /> Dust control—roads Tonnage and road use 2.8 <br /> Asphalt/Crusher Plant Historic 1.0 <br /> Totals 3.8 <br />