About: http://webisa.webdatacommons.org/209905906

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	Uranium is a trace element in both coal and rocks high in P. Depending on the economics, coal ash and phosphorus mining can produce uranium as a byproduct.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com