About: http://webisa.webdatacommons.org/447110365

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	Common sources can be linked to industrial activity, agriculture or other polluting factors that may be far upstream and out of sight.
http://www.w3.org/ns/prov#wasQuotedFrom	hc-sc.gc.ca