About: http://webisa.webdatacommons.org/364004027

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	Other materials include slate, charcoal, pebbles, and other natural elements.
http://www.w3.org/ns/prov#wasQuotedFrom	serenityhealth.com