About: http://webisa.webdatacommons.org/131994890

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	These charts are used by the pilot to ascertain route choices given such factors as terrain, distances, weather, navigation aids and so forth.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com