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1 Mining Plan <br />Page -2- <br /> <br /> <br /> <br />1 <br /> <br />1 <br /> <br />A portable crusher plant will be situated in the south-east corner of the <br />original mined area, adjacent to the area that is the subject of this amendment. <br />A front end loader will be used to excavate the pit run material and to feed the <br />crusher plant. The gravel will be processed into various types of graded <br />aggregates, and will be stored in stockpiles in proximity to the crusher plant. <br />The crusher plant will be located at the site on an intermittent basis, as need <br />dictates and may be located within the boundaries of the amendment area after the <br />initial production run. <br />In addition to processed materials, a portion of the deposit will be used on <br />construction projects as unprocessed fill material. <br />Activities that will be conducted at this site will include extraction, crushing, <br />screening and stockpiling of gravels using surface mining techniques typical to <br />open pit gravel mining operations. <br />It is expecte_d_that the affected acreage, consisting of 6.3 acres, will <br />experien major disturba`ncQ with either excavation activity or topsoil storage. <br />--- ---- <br />' The development of this amendment will occur as one continuous phase due to the <br />relatively small amount of area being affected. The entire 6.3 acres will be <br />affected at once. It is also anticipated that the duration of mining of this <br />amendment will be approximately two years. <br /> <br />1 <br /> <br />1 <br /> <br />LJ <br />1 <br /> <br />Backfilling and initial grading of slopes will be done concurrently with the <br />extraction process. As a section of the site is excavated, the banks of that <br />section will be backfilled with overburden and rough graded. <br />The sequence of activity at the site will be soil removal and storage, <br />excavation, processing and stockpiling of gravels, backfilling and grading of <br />excavated areas, and placement of topsoil and final grading of slopes in <br />preparation for reseeding. <br />.During mining operations, the site must be maintained in a dewatered condition <br />•since all operations will occur at an elevation that is below the natural water <br />table. The waste water discharge permit (number COG500216) that covers <br />'discharges from the current operation will be amended to include this discharges <br />from the amended area. <br />Additionally, the well permit (number 041478-F) will be amended to accommodate <br />the increase in acreage. <br /> <br />