About: http://webisa.webdatacommons.org/75201326

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	I have also had large pieces of timber petrified, which at first sight appeared to be wood thoroughly dried; no visible alteration having been made in them, except in colour.
http://www.w3.org/ns/prov#wasQuotedFrom	darwin-online.org.uk