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112 Annual Report <br /> Sunnyside Gold Corporation <br /> Permit No. M-77-378 <br /> Site : Lake Emma <br /> Reference Map : 112 Application, Exhibit Cob <br /> Elevation : 12 , 180 feet to 12 , 420 feet <br /> Ecosystem : Alpine , Tundra <br /> Aspect : South, Southwest <br /> Affected Acreage : 48 . 5 acres <br /> Disturbance Type : Major <br /> Comments Major disturbance at this site resulted <br /> from the collapse of Lake Emma into the <br /> upper workings of the Sunnyside Mine in <br /> 1978 and drainage control diversions <br /> following this event. Historic mining and <br /> milling in the basin is also a major <br /> contributor to the disturbance in this <br /> area. <br /> Reclamation : 1 . 0 Maintenance of runoff control ditches <br /> 1986 is a continuing project. <br /> Information : 1 . 0 Zero acres affected during 1986 . <br /> Response 2 . 0 Zero acres reclaimed during 1986 . <br /> 3 . 0 Reconnaissance and engineering work <br /> for Lake Emma collapse area <br /> backfilling project will occur in <br /> 1987 . <br />