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Table 1 <br />Energy Fuels Coal, Inc. <br />Southfield Mine <br />MW -NW Mine Refilling Investigation <br />Conceptual Model No. 1 <br />Entire mine area fills as a single unit <br />Elevation <br />Volume <br />Pumping <br />Remaining <br />Refill <br />Time to Reach <br />Point (ft) <br />Below Elevation (af) <br />Into Area (af) <br />Area to Fill (af) <br />Rate (af /yr) <br />Elevation (years) <br />5860.5 <br />3125 <br />241.6 <br />2883.4 <br />24.1 <br />120 <br />Conceptual Model No. 2 <br />1 North, 1 1/2 North and 2 North Areas fill as a single unit <br />Elevation <br />Volume <br />Pumping <br />Remaining <br />Refill <br />Time to Reach <br />Point (ft) <br />Below Elevation (af) <br />Into Area (af) <br />Area to Fill (af) <br />Rate (af /yr) <br />Elevation (years) <br />5860.5 <br />121 <br />9.8 <br />111.2 <br />14 <br />8 <br />5879.7 160 9.8 150.2 14 11 <br />Conceptual Model No. 3 <br />North mine area fills as a single unit <br />Elevation <br />Volume <br />Pumping <br />Remaining <br />Refill <br />Time to Reach <br />Point (ft) <br />Below Elevation (af) <br />Into Area (af) <br />Area to Fill (af) <br />Rate (af /yr) <br />Elevation (years) <br />5860.5 <br />1494 <br />9.8 <br />1484.2 <br />14 <br />106 <br />Notes: <br />Mine volumes below elevation points of interest based on a review of the Southfield Mine Permanent <br />Closure Map dated August 2001. <br />Pumping into area equals pumping within the mine between 1994 and 2000 to the areas of interest and are <br />based on dewatering records provided by Energy Fuels Coal, Inc. <br />Refill rates based on dewatering records and information provided by Energy Fuels Coal, Inc. <br />ft = feet. <br />of = acre -feet. <br />of /yr = acre -feet per year. <br />