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2 . 05 .6 Page 22 <br /> a cleat system in this area. Present and future mining will be <br /> carried out in such a manner that this condition will not <br /> reoccur. No other surface evidence is apparent above areas mined <br /> by National King Coal , Inc. It is very likely that these tension <br /> fractures will heal with weathering and compaction (see Map C-8) . <br /> GEOLOGIC HAZARDS DUE TO SURFACE SUBSIDENCE. KING COAL MINE <br /> It is estimated that hazards due to subsidence are minimal <br /> to moderate . The surface of the mine plan area is open <br /> rangelands used exclusively for livestock grazing . There are no <br /> inhabited dwellings or buildings on this land. The up slope area <br /> does not constitute an important watershed and no perennial <br /> streams cross the land. None of the potentially affected land is <br /> prime farmland. An archeological survey was done during the <br /> summer of 1980 (see Section 2 . 04 . 4 ) . The determination of this <br /> study was that no cultural or historical ruins or artifacts exist <br /> on this land. <br /> The regional water table as well as the local water table is <br /> below the mine workings . Drill hole information on the property <br /> indicates that there is water in the overburden strata (see <br /> Section 2 . 04 . 7 for details ) . Therefore , no aquifers are likely <br /> to be disturbed by ground movement. <br /> None of the permit acres are over active mine workings . The <br /> area will not be disturbed by surface subsidence due to mining. <br />