About: http://webisa.webdatacommons.org/207572533

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	Some stones such as chert or flint can have very fine edges.BoneYou can also use bone as an effective field-expedient edged weapon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com