About: http://webisa.webdatacommons.org/406255342

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	They also added minerals such as greensand in the early years, but we have not added more of that for quite awhile, says Mortensen.
http://www.w3.org/ns/prov#wasQuotedFrom	drweil.com