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' El{HIBIT E (Cont'd) <br />' adjacent properties can occur. The hillock will be planted <br />and graded to minimize erosion and to confine runoff to <br />' Valco's property. No toxic or acid-forming material will <br />be encountered or used in the operation. This open pit opera- <br />' tion has no drill holes, auger holes, addits or shafts. As <br />' shown on map Exhibit F, sloped areas will be regraded to <br />3 to 1 from five feet above the water line to ten feet below <br />' the water line. Other slopes will be regraded to 2 to 1 as <br />required. <br />' Topsoil is to be preserved and protected in stockpiles <br />' and returned to the areas to be revegetated during seedbed <br />preparation. <br />' No water is being used in the reclamation operation. <br /> The water removed from the pit area when the sand and gravel <br /> is removed is allowed to drain back into the pit. Evaporation <br /> is minimal. Most of the soil and o verburden removed from <br />' <br /> the pit area is returned to th e pit as refill material. <br />Irrigation of the land is being reduced as mining proceeds. <br />Trees, shrubs and grass would benefit from one season of <br />' watering, but even if this is done, the amount of water <br />' applied would not approach that used in the past. The <br />operator's intention is to minimize disturbances to the pre- <br />' vailing hydrologic balance of the affected land and of the <br />surrounding area and to the quality and quantity of water in <br />1 <br />' 11 <br />