About: http://webisa.webdatacommons.org/166247095

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 a strange material: less like rock, and more like a kind of earth or clay, though not at all flexible like clay.
http://www.w3.org/ns/prov#wasQuotedFrom	writer2001.com