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<br />' 2.04.6 (2) (a) (i) <br />' is sufficiently competent for the operation of mining equipment <br />provided water is not allowed to accumulate and stand for <br />t considerable periods of time. For this reason active mining <br />areas are maintained as free as possihle from accumulation of <br />standing water. <br />1 <br />Overhurden depth varies from a few hundred feet near the <br />' north edge of the lease to about 1,400 feet in areas near the <br />west-central lease boundary. Refer to map 2.04.6(2)(a)(i)-2 <br />' for the overburden isopach. Coal or rider seams above the C <br />seam include the identified D, E and F major seams, all in <br />' the upper coal member, and three rider seams. <br />' The D seam is inconsistent in thickness, varying between 0 <br />and 7 feet in height and is high in ash content. The E <br />seam varies in thickness from 10 to 20 feet. The F seam <br />' varies in thickness from 2 to 10 feet, averaging about <br />7 feet. <br />' As shown on the cross sections, Drawings 2.04.6(2)(a)-1 and <br />' -2, the D seam is not continuous through t*:e affected area. <br />t Above the <br />i <br />tt <br />th E and F seams, there are zbout <br />i <br />k <br />9 f <br />i <br />li <br />i <br />d five stray seams that <br />hi <br />li <br /> a <br />a <br />n c <br />ness up to <br />n <br />m <br />eet <br />te areas. T <br />s app <br />cant <br /> does not have the resources to determine the nature, depth and <br />t extent of the stray seams beyond the lim ited information presented <br /> herein. The seams are not economically recoverable and will not he <br />' explored further. <br />' Refer to Drawings 2.04.6(2)(a)-1 and -2, cross sections, for <br />a graphical presentation of available information. <br /> <br />' <br /> 42 <br />