How mining nearly killed 'the richest hill on earth'

by Daniel Terdiman CNET News

"Ground water, surface water, and soils are contaminated with arsenic and other heavy metals, including copper, zinc, cadmium, and lead. Silver Bow Creek and the Clark Fork River contain metals from the cities of Butte to Milltown. The tailings, dispersed along the creek and river, severely limit aquatic life forms and have caused fish kills in the river. Potential health threats include direct contact with and ingestion of contaminated soil, surface water, ground water, or inhaling contaminated air." Read more