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F_nerq Fuek Caal, Inc. <br />SautbfieJd Mrne <br />TR35 Rerponrer to Canrmernr <br />SeptemGer 26, 2003 <br />Page 2 <br />All remaining ground water monitoring wells, including the proposed North Well ground water <br />monitoring site are designed to monitor any changes in ground water levels and quality under <br />postmining conditions. Given the connections that exist between the 1st North Sub-Mains, where <br />the North Well is located, and other mine areas {as described in the revised text referenced in the <br />response to Comment 1), increases in the water level at the North Well will begin to occur when the <br />2nd North Sub-Mains fill to the point where they are sealed and the 1.5 North Sub-Mains fill to the <br />same elevation (5,855 as the bottom of the North Well. So long as the existing seals hold and <br />seepage from the flooded mine workings is limited, the portions of the 1st North, 1.5 North, and 2nd <br />North Sub-Mains that are sealed from the West Mains and other workings should flood completely <br />and fill. <br />4) The depiction of thu well on the revised map inrluded in the reoision submittal doer not make Clear exact/y where <br />the well is located. Please auure that the well is inrluded on maps of the monitoring locations. <br />Response: The surface location of [he North Well MW-NW, as shown on the revised map (Map <br />33), is accurate. The map has, however, been revised to depict the well location using the standard <br />symbol £or a ground water monitoring well. Please note that while monitoring locations may be <br />shown on other maps in the plan document, Map 33 has been developed and will be updated, as <br />necessary, to specifically show all relevant information under postmining conditions and to minimize <br />the need for ongoing revision of multiple maps. <br />