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<br /> <br />Cotter Corporation <br />Mr. Bruce Humphries <br />October 27, 1994 <br />Page 4 <br />January - June and October - December. Update an~i correct <br />geologic maps, (2). Review reserves for areas that can never be <br />mined (such as pillars in gobbed stopes) and remove from reserve <br />base, (2). Begin geologic analysis of major veins in preparation <br />for diamond drilling, (2). <br />May. Removed broken timber from caving portal, which <br />serves as ventilation exhaust and escapeway, and replacedi with <br />steel sets, culvert and wooden lagging, (1). <br />July. Replaced cage guides and realigned entire eluide <br />system in No. 1 shaft, (1). <br />October. Replaced bad timbers in No. 1 shaft, (l;i. <br />1991 <br />January - March. The vein analysis started in 19!0 was <br />continued, (2). Some geologic mapping of the new decline: was <br />accomplished, along with completion of the geologic map update <br />started in 1990, (2). <br />April. Replaced broken timber in the 1100 haulage:way, <br />(1) . <br />Auquat. Replaced guide plates and realigned quide:s in the <br />No. 3 shaft, (1). Replaced downed power pole at No. 2 <br />substation, (5). <br />1992 <br />January - March. A feasibility study was completcad for <br />future operation of the ore sorter, (5). Power lines in the No. <br />3 shaft which were burned due to failed circuit breakers were <br />replaced, (1). <br />July. Cleaned out and retimbered <br />ventilation exhaust portal, (1). <br />July - December. Planned and ini <br />underground to above ground fuel storage <br />1993 <br />April - May. Completion of above <br />facility, (4). Retimber and reblock No. <br />caved area in tYee upper <br />bated changeover from <br />tanks, (4). <br />ground fuel storage <br />1 shaft collar, (1). <br />