About: http://webisa.webdatacommons.org/180257005

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 chemicals can include anthropogenic contaminants as well as naturally occurring species such as nutrients, terminal electron acceptors, reactive minerals and surfaces.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov