PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Marlin mine has a tailing pond containing the acidic mixture of cyanide, arsenic, heavy and radioactive metals, explosives, and other chemicals ??? normal for a mine using cyanide to extract gold.
http://www.w3.org/ns/prov#wasQuotedFrom
  • zcomm.org