PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • At the Saegertown Superfund site in Crawford County, an industrial operation polluted a 2.3-acre pond and wetland with multiple contaminants, including PCBs and heavy metals such as lead and mercury.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fws.gov