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Actions Alternative A, No Action Alternative B, Pro osed Action Reclamation Topsoil would be stockpiled and saved Same as Alternative A, plus the slopes for redistribution over the disturbed would be graded to achieve an overall area. This topsoil, plus any slope of 2:1, but the slopes would be ~ supplemental topsoil needed for steepened or flattened randomly and adequate coverage, would be placed intermittently to simulate the across the disturbed area to a depth irregularity of the existing terrain. The adequate for the establishment and topsoil or fill would be adjusted to continued existence of the native obtain a varying contoured slope, and ~ vegetative communities found in the the top and toe of fill would be rounded 'I local area. The current permit requires to blend with surrounding landforms. j a depth of 6 inches. The site would be Sufficient topsoil would be placed so ~ seeded for 2 consecutive years after as to allow reestablishment of a native ~ topsoil placement. Seed specifications vegetation community on all disturbed I would adhere to NPS areas to fulfill resource protection i recommendations and would be goals. Revegetation would consist of i reviewed and approved by the reseeding for two complete years, Superintendent. The operator must using a native seed mixture approved i monitor and control exotic species and by the NPS. Planting of sagebrush noxious weeds between both seedings maybe required at certain locations i and for 2 years after the final seeding. along the slope. The operator must Reclamation activities must commence monitor and control exotic species and no later than 6 months following the noxious weeds between both seedings conclusion of mining and be completed and for two years after the final within 2 years of commencement. seeding. Reclamation activities must commence no later than 6 months following the conclusion of mining and be completed within 2 years of i commencement. All reclamation work i would be monitored by park staff to ensure that the work conforms to the reclamation plan. All final reclamation i design and procedures will be a eroved by the Superintendent. _ _ ~ Table 2.6 -Comparative Summary of Impacts Impact Topic Alternative A, No Action Alternative B, Proposed Action Nonfederal This alternative results in a long term, This alternative would result in a minor Mineral negligible to minor, adverse impact on beneficial impact on county mineral Development focal/regional mineral supplies. There supplies. Cumulative impacts to could be a cumulative, minor, long term local/regional mineral supplies would be adverse im act on mineral su lies. Ion term, minor, and beneficial. Air QU81ity Continuing operations at the Dickerson Pit Additional blasting and crushing at the pit, would result in localized, mostly as well as increased truck traffic associated intermittent or short term, negligible to with the expansion, would result in minor, adverse impacts on air quality localized, short to long term, negligible within the analysis area. Cumulative to minor, adverse impacts on air quality impacts from the existing mineral within the analysis area. Cumulative operation at the Dickerson Pit; routine impacts would be similar to those park operations; park, commercial, and described under Alternative A, with short recreational vehicle uses; and other land term, negligible to minor, adverse uses outside the park are expected to impacts an air quality throughout the park, result in short term, negligible to minor, and air quality would remain within state adverse impacts on air quality and federal standards. No impairment to throughout the park, and air quality would air quality would result from implementation remain within state and federal standards. of this alternative. No impairment to air quality would result from im lementation of this alternative. ~I 28