PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Picture showing remains of Perimeter Track leading to Watch Tower, Crash Tender Shed and other buildings.
http://www.w3.org/ns/prov#wasQuotedFrom
  • airfieldinformationexchange.org