Greens Creek Mine Tailings Storage Facility | Alaska, US Located in southern Alaska, Admiralty Island is home to a large brown bear population, as well as bald eagles, whales and salmon. The island is home to the 955,000-acre Admiralty Island National Monument, a lush rainforest that draws many tourists. Part of the Hecla Greens Creek polymetallic mine is located within the monument. Challenge Hecla Greens Creek Mining Company asked Klohn Crippen Berger (KCB), a Louis Berger a?liate, to develop solutions for storing de-watered tailings in a sensitive regulatory site while preserving world-class tourist attractions. Minimizing views of the site from cruise ships was also necessary. The challenge was to design and build a tailings disposal facility that would meet these requirements and over

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