Mercury Pollution from Gold Rush Might Affect Ecosystem for 10,000 Years

According to data from researchers at the University of California in Santa Barbara,mercury left over from gold mining operations could poison the ecosystem for up to 10 thousand years into the future.
http://www.cambio.com/videos/cambio-on-aol/mercury-pollution-from-gold-rush-might-affect-ecosystem-for-10-0--517994382/