About: http://webisa.webdatacommons.org/198826721

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	I do not know if you are old enough to remember but we used to go to building sites after they scraped the topsoil and eyeball all kinds of bullets, buttons and other stuff.
http://www.w3.org/ns/prov#wasQuotedFrom	treasurenet.com