About: http://webisa.webdatacommons.org/137399730

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	During the Cold War, those canyons served as the lab's dumping grounds, and they still contain heavy metals, high explosives and other poisons.
http://www.w3.org/ns/prov#wasQuotedFrom	hcn.org