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<br /> <br />the affected areas. These beds are much less permeable <br />and yield poorer quality water than the underlying <br />sandstones which would not be disturbed. Mining, <br />therefore, should not significantly reduce the poten- <br />tial for future development of the ground-water re- <br />source in the reclaimed areas. The additional cost <br />of drilling deeper wells into sandstone beds under- <br />lying the Wadge coal is generally offset by higher <br />static water levels because of artesian conditions <br />and better quality water. <br />No ,existing wells other than test holes within or <br />adjacent to the proposed lease areas would be removed <br />or adversely affected by mining. Loss of the seep <br />area immediately south of C-22676 tract (No. 7, Fig. <br />2) would present no impact because of the nearby <br />stream. <br />The mined interval in all three tracts would be <br />replaced by a mixture of spoil materials, the <br />permeability of which would depend primarily on the <br />compaction resulting from the mining method. Gver- <br />burden materials in tracts C-26644 and C-26913 would <br />be removed and replaced by draglines with consequent <br />minimal compaction. These replaced spoils should be <br />moderately permeable as a whole with no relatively <br />impermeable ground-water perching layers. <br />122 <br />