About: http://webisa.webdatacommons.org/239012334

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	Vast deserts covered much of that part of North America, except for one period when streams for a time fought the sand dunes.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org