About: http://webisa.webdatacommons.org/293489847

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	Unfortunately, the area is the most polluted in the United States, according to EPA. The land is marred by limestone-laden residues known as chat (with a coarse consistency), and tailings (with a sandy consistency).
http://www.w3.org/ns/prov#wasQuotedFrom	achp.gov