About: http://webisa.webdatacommons.org/217517416

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	Moreover, certain metals some such as lead, cadmium and mercury are highly persistent poisons that are readily accumulated by fish, shellfish, crustaceans and other aquatic resources commonly harvested for food.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov