About: http://webisa.webdatacommons.org/179763839

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	Elemental mercury is naturally present in the Earth???s crust, in raw materials such as coal, crude oil and other fossil fuels, and in minerals such as limestone, soils and metal ores (including zinc, copper and gold).
http://www.w3.org/ns/prov#wasQuotedFrom	ec.gc.ca