About: http://webisa.webdatacommons.org/422976073

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	The site shows students many examples of maps, charts, and diagrams of early sailing practices.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org