PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • the addition of nutrients such as nitrogen and phosphorous from wastewater effluent or agricultural runoff to surface water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • edwardsaquifer.net