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8. Montrose County Impacts and Environmental Imaads <br />The following items address Section XII -Gravel Mine Operations in Montrose County. <br />A) Buffers <br />No mining or stockpiling will take place within 25' of the boundary of any adjacent property. The <br />permit boundary near the northern portion of the Metcalf Pit is within 25' of the Nation property, <br />however this area will not be disturbed as seen on Map C-2 Mining Plan. To increase buffer distance <br />for landowners south of the project area, the lower 40 acres of the George Property has been <br />removed from the permit area and will not be disturbed. <br />B Landscapin¢ <br />Initially, approximately 10 acres of Phase 1 will be stripped of topsoil and overburden. This material <br />is approximately 4850 cubic yards. The material will be used to construct berms_around the <br />perimeter of Phase 1, leaving one small opening for the haul road exit to 6175 Road. The berms will <br />be approximately 8 to 12 feet high with 3H:1 V slopes. Once the operation mines down to an <br />approximate depth of 40-47 feet, the visual impact to the surrounding area will be minimized. As <br />mining proceeds to the south, it will occur from the bottom so that the visual impact of the operation <br />will remain minimized. <br />An additional 10 acres will be mined where topsoil and overburden will be used to create berms on <br />the east and west sides of the permit area. This topsoil and overburden will be stripped with scrapers <br />and can be done in approximately 5 days. The shaping of the berm will require an additional 8 days. <br />Once this initia120 acres has been stripped of topsoil and overburden, mining will continue south <br />from the bottom of the pit. The only activity that will be visible is the subsequent removal of topsoil <br />and overburden. Since the annual production is 400,000 tons sold, an average mining depth of 34.5 <br />feet will require that an average of 6 acres be stripped per year. This will be done with scrapers <br />making a loop from the stripping area to the pit itself, where it will be backfilled on the pit slopes to <br />Haldorson Sand and Gravel Mine 18 <br />