About: http://webisa.webdatacommons.org/425371968

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	Every step forward was a struggle against a determined enemy and multiple jungle obstacles--dense, vine-choked underbrush, steep ridges, numerous swamps, constant and enervating heat, and almost incessant torrents of rain.
http://www.w3.org/ns/prov#wasQuotedFrom	ibiblio.org