About: http://webisa.webdatacommons.org/438803998

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	... iron oxide and other substances combined with the silica to create varied colors in the petrified wood.
http://www.w3.org/ns/prov#wasQuotedFrom	travelpod.com