About: http://webisa.webdatacommons.org/427343148

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	Stone tools such as grinding rocks, knives, and axes were used.
http://www.w3.org/ns/prov#wasQuotedFrom	newworldencyclopedia.org