PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Credit Appalachian Voices Between 30,000 and 40,000 tons of ash, containing heavy metals including arsenic and lead, spilled into the river in February.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wfae.org