About: http://webisa.webdatacommons.org/138719511

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	I have read some estimates that sea level during this time was up to 100m lower than it was now and sure enough within that region there is a canyon that points straight to the Columbia.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com