About: http://webisa.webdatacommons.org/372958293

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	Tools such as hatchets, knives, and arrowheads were made of copper.
http://www.w3.org/ns/prov#wasQuotedFrom	aikidoyoshokai.org