Why Miners Walked Away From Richest Gold Deposit

Before pulling out of the Pebble Mine project last week, Anglo American (AAUKY), one of the worldâ??s biggest mining companies, had invested six years and at least $541 millionâ??in a partnership with Vancouver-based Northern Dynasty Minerals (NAK)â??to develop the site in southwestern Alaska. Wait, pause on that number for a sec: $541 million.