About: http://webisa.webdatacommons.org/313387372

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 symbol currently used on many accessible parking lots, restrooms, ramps and other facilities first came into widespread use in the late 1960s during the civil rights movement.
http://www.w3.org/ns/prov#wasQuotedFrom	pvpost.com