About: http://webisa.webdatacommons.org/274956934

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	were joined by others, including John Wesley Powell, head of the U. S.
http://www.w3.org/ns/prov#wasQuotedFrom	foresthistory.org