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Page 3 <br />The applicability of a timetable to an underground <br />operation is questionable. <br />The area to be worked at any one time will not <br />appreciably increase after the initial disturbance around <br />the portal area. Small amounts of additional acreage may be <br />involved as the waste dump grows or additional roads for <br />ventholes and development drilling are needed. All vent- <br />holes will be constructed within five years. This land <br />has been accounted for in the affected acreage. <br />Areas involved that may be classified as mayor dis- <br />turbance include the waste dump and topsoil stockpile. <br />Moderate disturbances include the area required for <br />stabilization of the waste dump and grading of the areas <br />• used for parking, structures, and storage of equipment <br />and other materials. There are no minor disturbances as <br />defined in the regulations. <br />The uranium/vanadium depositR,rq~ LP-21 are Colorado <br />.~ <br />Plateau "sandstone" type depo,a~ts.'•:,There are a number of <br />~`;~` ~ =~ <br />small separate ore bodies~,s~Eributed throughout the lease <br />~*. ~ <br />..~ _ <br />tract, having a maximu~'thicl~ieas of ten feet. They are <br />generally located ~''~`the s~Ame stratigraphic level, varying <br />~~~,, , <br />from 600 Peet at the~.'i}bi-th end of the lease to about 300 <br />feet at the extreme south. <br />The only overburden removed will be from the mine <br />incline. The incline will portal in the middle of the <br />Brushy Basin Member of the Morrison Formation which is <br />. predominantly composed of mudstone and shale, with lesser <br />amounts of interbedded sandstone. <br />