About: http://webisa.webdatacommons.org/411750870

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	Phosphorus is a naturally occurring element found in all rocks; the amount varies by the type of rock.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov