About: http://webisa.webdatacommons.org/88622841

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	San Francisco is an urban area with approximately 15,000 people per square mile while Marin County is around 80 percent rural with approximately 450 people per square mile.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com