About: http://webisa.webdatacommons.org/135819350

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	There are many more historic map overlays available through Google Earth, than through Google Maps, including many posted directly by Google.
http://www.w3.org/ns/prov#wasQuotedFrom	macse.org