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<br />ITEM #4 <br />The collar of the Hopemore Shaft is at an elevation of <br />11,560 ft. The current shaft bottom is at an elevation of <br />10,795 ft. Our best information regarding the mine geologic <br />conditions indicate a potential ore horizon to an elevation <br />of approximately 10,650 ft. <br />ITEM #5 <br />We do not think an air emission permit is required. The <br />only air exhausted from the buildings will be approximately <br />700 c.f.m. at near atmospheric pressure from a small dust <br />control system to help protect the environment in the <br />crushing plant for the crusher operator. The crusher will <br />be operated approximately one-third of the time the mill is <br />operated, and the exhausted air will be rendered dust free <br />by use of a cyclonic-type separator which will deposit <br />captured dust particles in a steel barrel receptacle. Near <br />full barrels will be emptied into the classifier circuit of <br />the milling operation. I extimate one barrel per month <br />maximum. <br />ITEM #6 <br />It is our intent to market recovered magnetite as a <br />by-product material. Very minor quantities of magnetite <br />which may escape the recovery process may end up in the <br />tailings disposal area. The magnetite, an oxide of iron, <br />Fe3Oy , will not in any way create a substance detrimental to <br />the Onvironment. <br />ITEM #7 <br />Considerable lab tests have been made in order to determine <br />the best flowsheet possible. Items of consideration were <br />effectiveness, simplicity of use, cost and availability, and <br />environmental impact. <br />Since all water discharged into the tailings disposal area <br />will be reused in the milling operation, considerable effort <br />has been directed toward use of reagents which are basically <br />organic in composition, decompose readily and have a minimal <br />environmental impact. <br />One of the ores we propose to mill is an oxide ore <br />containing only gold and silver. The size fraction of the <br />gold is too small for effective concentration by gravity <br />methods. An effective flowsheet was designed to use one of <br />the amyl zanthates, Aero 350. It is used world-wide in <br />flotation plants, is organic in composition, made <br />commercially from alcohols, decomposes readily, instantly in <br />