About: http://webisa.webdatacommons.org/132102245

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	The well-water samples brought to Earth Quakers by citizens in West Virginia contain arsenic, lead, mercury, selenium, and other heavy metals.
http://www.w3.org/ns/prov#wasQuotedFrom	sierraclub.org