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There are no groundwater rights within the Southfield loadout, adjacent or immediately <br />down -gradient areas. Essentially all groundwater in the loadout area enters the surface water <br />system within a fairly short distance of the coal loadout, becoming part of Arkansas River <br />surface flows. <br />Within the groundwater basin, beneficial use is generally confined to surficial <br />colluvial/alluvial deposits, perched groundwater tables in some of the upper stratigraphic <br />units and the Trinidad Sandstone. The Southfield operations will not directly impact any of <br />these units or existing associated water users. In addition, Southfield's underground operations <br />are effectively hydrologically isolated from both the upper stratigraphic units and the Trinidad <br />Sandstone by approximately three to four hundred feet of relatively impermeable interbedded <br />and cross -bedded siltstones and skales. <br />EFCI obtained the right to utilize groundwater resources from the Corley Mine Well for mine <br />consumptive use during active mining operations. This well intersects the abandoned Corley <br />Mine workings in the Rex Carbon coal seam at a depth of approximately 450 feet. Given the <br />limited pumping rate, the storage capacity of the underground workings, and continuous <br />recharge, it is unlikely that continued consumptive use will result in dewatering of this well. <br />In addition, the well and reservoir area are outside of the angle of draw limits and should not <br />be effected by mining or any consequent subsidence. <br />TR43 2.05.6-51 Revised 8/25/15 <br />