PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The use of ???environmentally-friendly??? drilling fluids, mud constituents, contingency mud additives and other materials will presumably protect surface and near-surface water resources, particularly in areas of significant concern or uncertainty.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pagosasun.com