About: http://webisa.webdatacommons.org/336409430

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	Acids, iron, manganese, sulfate, uranium, thorium, radium, molybdenum, selenium, and other trace elements
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov