About: http://webisa.webdatacommons.org/249525407

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	Mountain ranges such as the Rockies and the Sierra Nevadas could provide considerable protection, along with various deep valleys around the country.
http://www.w3.org/ns/prov#wasQuotedFrom	leatherneck.com