About: http://webisa.webdatacommons.org/444902421

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	Copper is a heavy metal which accumulates in the sediment and remains forever toxic.
http://www.w3.org/ns/prov#wasQuotedFrom	naturelakes.com