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~.~. <br />9z <br />.1r defined in the bill, approximate oti ~e~t~ur means: <br />Thal wrface tvnd~uratloo e~~ r cl• at lad andlaj o! the mine <br />arcs ao lAat the reelalmed area, includln~ aqr temelK or assns toads, clorlr <br />rrwmldr. the arnenl surfce cona~ura ,Jon of the land prlnr to minlna and hlrodr <br />Into and complrmrota the dralnlna pattern of the wrromdlas ternlq Mta all <br />al~hRalb and apoll pllea ellminated • • '. <br />7'he term contour is defined by the dictionary d °lhe outline of a <br />fi¢trre OT bony, kith a line or lines re resenting such an outline." The <br />contour of ground is similarly defined ~ the outline of the surface of <br />the ggroltnd srtth respect to its undulations. These two definitions pri- <br />man'ly refer to the shape or oonfiltutation of a sudace. In edditaon, <br />kith respect to nrapprng, contour to rs on an additional meaning; <br />the ima~rnary line connecting the points on the land surface that have <br />efts same elevation and the line representing such line on a map or <br />chnrt. In order to understand this concept it u necessea• to distinwish <br />ar •._ <br />S <br />s ... <br />001.TOIIR Y1T'7~0 <br />Contour mining operations operate on a portion of the local relief, <br />a band on the mountainside or the top porUOn of a hill. A eharscter- <br />istic of this minirt~ rs that alsrays some undisturbed land, either shove <br />or below, or both above and belosc the mining site remains. Operations <br />do not cover the landsca on a iguo '['~ • 1 p•3 <br />In virtually all ~of contour rain mininoontour rain minin ~tfient spotr by <br />toluene is created to retur mine :rmate original con- <br />lour in lernrs of shape or configuration as R as proximate elevation. <br />The smell property of the matenals removr_1 (overburden) from the <br />mine site during mining assures this condition scith ptsrse+nt sGipping <br />ratios. <br />Reclamation to the approximate orit¢inal contour in steep slope <br />mountain contour mines rs being accomplished by a number of di8er- <br />ant mining opentrts is seversl Appalachtsa Staten The eommidee <br />itapected seven] such sites, chanctensed os re teaentative of a brosd <br />range of mining practices and operations in au p States Fiyurea 2 sad <br />3 shom~ host mtntng and reclamation to the approximate ongulal ooa- <br />tour is being carried out in Kest Virginia. Similarly, Figtin 4 shovra a <br />sits in Penasvlvaaia which the committee visited on tsvo ooeasio~ <br />(January, 194 sad March, 1977). These sites.sre tttable sad surface <br />evasion has been successfullyp controlled through esLbliahing adegnste <br />reregetation. In one case, Figum 8, the twceav roads serve as a barrier <br />to spoil placement being placed or sliding doscnslope below the minisg <br />bench. In the other, Figure. 4, the access roads serve a drainage ooa g <br />measure by breaking cep the long reclaimed slope. This type of reclama- <br />tion is possible under a number of different mining npprouLes surd, <br />u the °block-cut", !`truck or scraper haul b~sek" or vanntaona on wxb <br />approaches The basic geometry of the conWnr mountain mining oper- <br />ation is such that the original pomta on the landscape, both above sad <br />Ldosr the mining operation rtunnin thus becoming reference points <br />for tegradirtg• <br /> <br />