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2.04.6 Geology Description <br />REMAIING RESERVE SUMMARY <br />SECTION <br />ACRES <br />AVERAGE <br />TOTAL <br />TOTAL <br />THICKNESS <br />MINABLE <br />RECOVERABLE <br />SECTION 14 <br />55.2 <br />7.1 <br />472,868 <br />354,651 <br />SECTION 15 <br />113.1 <br />6.9 <br />938,199 <br />703,649 <br />SECTION 22 <br />55.2 <br />8.5 <br />562,069 <br />421,552 <br />SECTION 23 <br />114.2 <br />8.5 <br />1,158,842 <br />869,132 <br />SECTION 26 <br />50.3 <br />8.3 <br />501,354 <br />376,015 <br />SECTION 27 <br />334.0 <br />7.3 <br />2,930,393 <br />2,197,795 <br />SECTION 34 j <br />31.4 <br />6.5 <br />244,250 <br />183,187 <br />FEE COAL <br />1 34.7 <br />8.3 <br />1 343,955 —t-257,966 <br />TOTAL <br />788.1 <br />7,151,930 <br />5,363,947 <br />Total minable is defined as tons produced from room and pillar mining in <br />the Total or Upper Cameo seam minus a 500' burn exclusion following the <br />outcrop of the seam. Recoverable tons equal 75% of minable since the <br />acreage figures are an outline of the mine workings and projections. <br />Additionally, a 200' barrier pillar on either side of the faults which define <br />the edges of the graben have been excluded from both minable and <br />recoverable reserve estimate. <br />There may be additional potential production from the Lower Cameo, but <br />its unpredictable thickness, variable strata, and often insufficient <br />interburden demand an area by area exploration program to verify the <br />economics and practicality of attempting to recover this reserve. <br />(2) Surface Mining - Not Applicable <br />PR -02 2.04-12 08/11 <br />