About: http://webisa.webdatacommons.org/374915418

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	Bill, although strong and fit, was hitting some sort of personal limit in living at Advanced Basecamp and venturing to around 22,000 feet.
http://www.w3.org/ns/prov#wasQuotedFrom	nationalgeographic.com