PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Lake Mead is the largest Reservoir in the United States with a total storage capacity of 29.8 million acre-feet.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usbr.gov