About: http://webisa.webdatacommons.org/345649368

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	conditions of light or darkness, sea room, traffic, weather conditions, available navigational aids and other restrictions.
http://www.w3.org/ns/prov#wasQuotedFrom	tsb-bst.gc.ca