About: http://webisa.webdatacommons.org/397537433

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	They were manufactured with the use of pressure flaking tools made of antler, bone, copper or even from such materials as porcupine teeth.
http://www.w3.org/ns/prov#wasQuotedFrom	lithiccastinglab.com