CARSON CITY, Nev. (KOLO) – A new study from the University of Nevada found that Mercury from 19th Century mining is still affecting waters in the Carson River.
Researchers found that levels in some waterfowl reached up to 60 times federal safety thresholds for human consumption.
They say the toxic metal remains locked into riverbanks and sediments where flood years remobilize and reintroduce it into the aquatic food web…