About: http://webisa.webdatacommons.org/112850064

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They record navigational hazards such as reefs and wrecks, and navigational aids, such as lights, buoys and beacons.
http://www.w3.org/ns/prov#wasQuotedFrom	nationalarchives.gov.uk