About: http://webisa.webdatacommons.org/377147767

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Due to almost 150 years of copper and silver mining and smelting activities, the Clark Fork River has been contaminated with high levels of toxic metals including arsenic, lead, zinc, and copper.
http://www.w3.org/ns/prov#wasQuotedFrom	enn.com