About: http://webisa.webdatacommons.org/141592981

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	first hand about different kinds of rocks and the formation of the earth.
http://www.w3.org/ns/prov#wasQuotedFrom	bltsinc.org