About: http://webisa.webdatacommons.org/79683624

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	A cornerstone was a large stone laid at the foundation of stone buildings prior to the 1950s to be a ???footer??? and to ???plumb??? the rest of the building so it was square and secure.
http://www.w3.org/ns/prov#wasQuotedFrom	faithwriters.com