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• <br /> Upper Mine Wase and Shaft Area <br /> Demolition <br /> - Headframe <br /> - Hoist house <br /> - Hoist house concrete foundation <br /> Disposal <br /> - Concrete foundation will be broken up and placed in the shaft <br /> - Materials from the structures will be taken to the Broad Canyon Landfill <br /> Vent/Shaft Closures <br /> - The procedures to close the shaft and the vents are the same, except that broken <br /> concrete is being disposed of in the shaft. <br /> - Concrete will be poured to plug the shaft/vent and will be covered with <br /> • approximately three feet of mine waste material. <br /> One foot of soil will then be spread over the mine waste fill. <br /> Earthwork <br /> - The recontouring of the mine waste dump will be completed by a dozer.The area will <br /> be regraded to a 3H:1V slope and the total amount of material is 3,100 lcy. <br /> - Approximately 6,456 Icy of previously stockpiled soil wilt be spread at a one foot <br /> thickness over the recontoured waste dump using two 10-ton articulated trucks, a <br /> loader and a dozer. <br /> Revegetation <br /> - Approximately 4 acres of recontoured waste dump area will be reseeded by <br /> broadcast seeding. <br /> 110 <br /> 2 <br />