About: http://webisa.webdatacommons.org/72765105

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	These studies have shown dangerous levels of toxic chemicals, such as cyanide and arsenic, heavy metals such as lead, and the occurrence of acid mine drainage.
http://www.w3.org/ns/prov#wasQuotedFrom	zcomm.org