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In unmined areas, topsoil from 0 to 4 inches is salvageable and will be redistributed in already <br /> graded previously mined areas. The expected average depth of topsoil is less than 4" based on <br /> existing cuts in the permit area. If stockpiling of overburden and topsoil becomes necessary to <br /> prevent erosion of topsoil and overburden stockpiles, piles will be seeded within 180 days of <br /> establishment with the rangeland seed mix or quick oats. Stockpiles will be constructed to <br /> 2.5H:1 V slopes for topsoil and overburden and will be located in the northwest portion of the <br /> site. <br /> Aggregate material from any step may be separated and stockpiled for the landowners use at <br /> their request. See the enclosed affidavit, following Exhibit C, signed by the landowner ensuring <br /> excavated gravel shaii remain stockpiled on the site after mining. Excess gravel may be used as <br /> backfill in previously mined areas prior to reclamation. No explosives will be used in <br /> conjunction with mining and reclamation operations. No saleable secondary commodities or <br /> incidental products will be mined in this operation. <br /> 2. Mining Timetable <br /> The life of the mine is anticipated to not extend beyond ten years from the start of mining. Exact <br /> timing will be based on initial recovery values and market conditions. Mining is planned to begin <br /> in the summer of 2020. <br /> 3. Mine Facilities and Operation <br /> It is extremely unlikely that any toxic or acid-producing materials will be encountered during the <br /> mining operation as the site was historically mined for gravel and placer gold and more recently <br /> was used as rangeland. However, in the event that such materials are encountered, they will be <br /> covered with overburden and topsoil from onsite stockpiles to the same depths outlined in the <br /> reclamation plan and no more mining will occur in the area. No blasting or explosives will <br /> occur/be used during mining nor on site. <br /> Fuel will be brought to the site by a mobile fueling truck and will be housed in the cattle tanks <br /> detailed below. No permanent structures will be built within the permit area as part of this <br /> operation. Water will be used to control dust on the excavation and disturbed areas of the site via <br /> hose. Water for this operation will be pumped from the Dolores River which is under <br /> Bancroft Placer Mine <br /> July 2020 C-3 <br />