About: http://webisa.webdatacommons.org/428237607

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	Olson was a tremendously inspiring writer and speaker, and yet he also played a vital role as a wilderness activist.?
http://www.w3.org/ns/prov#wasQuotedFrom	singingwilderness.net