About: http://webisa.webdatacommons.org/427136083

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	In order to work hard stones such as granite and basalt, nothing short of steel or, at the very minimum, bronze, will ever do.
http://www.w3.org/ns/prov#wasQuotedFrom	atlan.org