PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Streambed made up of fine-grained soils such as clays, silts and sands that would continually clog the perforations; and
http://www.w3.org/ns/prov#wasQuotedFrom
  • appropedia.org