About: http://webisa.webdatacommons.org/113787025

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	Found all over the world, particularly in the US and Canada, this clay was initially a deposit of prehistoric volcanic ash.
http://www.w3.org/ns/prov#wasQuotedFrom	evine.com