About: http://webisa.webdatacommons.org/424347591

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	Decades of liquid discharges from the smelter contributed most of the zinc, lead, cadmium and other trace elements detected in sediment cores taken from the bottom of the lake by USGS scientists in 2002.
http://www.w3.org/ns/prov#wasQuotedFrom	enn.com