About: http://webisa.webdatacommons.org/320621025

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	Naturally occurring substances found in some Nebraska groundwater include hardness minerals such as calcium and magnesium, iron, manganese, fluoride, arsenic, and uranium.Hard water minerals in drinking water are not a health risk.
http://www.w3.org/ns/prov#wasQuotedFrom	unl.edu