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<br /> <br />PIINING PLAN <br /> <br /> <br />CORTEZ PIT - NIELSONS, INC. <br /> <br />The Cortez Pit will be a quarry operation conducted approximately one <br />hundred (100) feet in elevation above McElmo Creek. Material is sand- <br />stone and will be initially removed by drilling and blasting to achieve <br />a level bench and leaving a vertical rock face. Equipment and blasting <br />will be employed in a manner to minimize the amount of material that will <br />be lost over the edge of the cliffs. Tl~e existing sandstone layer is <br />approximately forty (40) feet thick and is to be mined in approximately <br />twenty (20) foot lifts. Rock from the mining operation will be fed to the <br />crusher or a series of crushers and screens to obtain the size of aggre- <br />gate desired. <br />Vegetation will be cleared by hand and machinery and then burned. Topsoil, <br />where encountered, caill be stockpiled for reclamation of the pit. <br />Material from this site will be used for public and private work in the <br />Cortez area. A set of scales will be in place at all times, but other <br />.~~ <br />equipment for mining and hauling caill be moved in only as required. <br /> <br />