About: http://webisa.webdatacommons.org/438682954

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	High levels of toxic heavy metals such as copper, manganese, lead, and zinc were found in all three rivers.
http://www.w3.org/ns/prov#wasQuotedFrom	blacksmithinstitute.org