About: http://webisa.webdatacommons.org/10717284

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	Navigational aids such as safety fairways, and visual markers such as lights, buoys, and beacons are shown as well as obstructions such as fixed bridges, submerged cables, pipes, and piles.
http://www.w3.org/ns/prov#wasQuotedFrom	usf.edu