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The increase in the number of unit trains from present levels of 33 <br />trains per year to 60 trains by 1980 and 100 by 1985; heavier use of the <br />haul roads by coal trucks (14,000 trips per year presently arould in- <br />crease to 24,000 by 1930 and 40,600 by 1985); and increased employee <br />travel to the mine (93 vehicles by 1980, 160 by 1985 from the present <br />number of 93 vehicles per day) r:~ouid contribute not only to increases in <br />particulate concentrations but to gaseous emissions as ~•reil. <br />A minimal, unquantifiable amount of disturbance may occur as a <br />result of subsidence over the underground mine r•rorkings on the existing <br />leases. <br />14ine development at the site r'rould continue without the proposed <br />action resulting in additional development and an increase in mine <br />- employment. Ur~identified cultural sites could be daTaged or destroyed <br />by ConStr"UCt10n aCtlVitles Or SUbSidence. In addition, the presence of <br />145 mine-associated wor4:ers in 1>80 znd and 24C by 1985 as ~•:ell as the <br />construction or" tyro ventilation shafts r:ould expose cultural resources <br />to public passage, increasing the potential for vandalism and illegal <br />collecting. <br />In sur;~;~ary, the decision not to offer the federal coal reserves for <br />lease would mean that the present status and trends of the proposed <br />lease area ~•~ould be unaffected and the adverse impacts resulting to the <br />• area frcm the prepesed action r:~ould be avoided. Ho;rever, it r:ould riot <br />affect tl;~e proposed increase in prodcction or empioy~~.ent at the Har;k's <br />F;est Piing nor v,ould it avoid any of the impacts resulting frcm the <br />increase. In zddition, if a decision r'r2re made not to lease, the <br />956,300 tcr.s e' recoverable federal coal reserves lying in the E seam on <br />the area mould not be recoverable in the foreseeable future. <br />• <br />