About: http://webisa.webdatacommons.org/391907611

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	Groundwater can contain hydrogen sulfide or other naturally occurring chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov