PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In a 1999 incident unrelated to fracking, oil industry wastewater ??? contaminated with chemicals such as chloride and boron ??? seeped into ground wells, destroying one central California farmer???s crops.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ivn.us