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This book documents the most extensive study ever on the use of deep sea tailing placement at the Island Copper Mine on Canada's Vancouver Island. The study examined all aspects of this innovative program which utilized 400 million tons of tailing solids, beginning with its initial implementation in 1971 to five years after the mine's closure in 1995. Coverage includes placement program, engineering, chemical, biological, cost savings and environmental considerations. Includes 8 color pages.