About: http://webisa.webdatacommons.org/295799508

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	Waste rock from phosphorite mining in the area contains selenium, cadmium, vanadium, and other metals.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov