About: http://webisa.webdatacommons.org/79029539

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	Agate is a semiprecious stone, and Nebraska has an abundance of it, especially in the Oglala National Grassland.
http://www.w3.org/ns/prov#wasQuotedFrom	unl.edu