About: http://webisa.webdatacommons.org/253015259

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	IIRC, that $60,000 per space was a figure given to David by a developer.
http://www.w3.org/ns/prov#wasQuotedFrom	greatergreaterwashington.org