About: http://webisa.webdatacommons.org/448949165

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	Hardrock mines produce millions, sometimes billions of tons of mine waste, which frequently contain toxic materials such as arsenic, mercury, cadmium and lead.
http://www.w3.org/ns/prov#wasQuotedFrom	earthworksaction.org