About: http://webisa.webdatacommons.org/381447693

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	Obstacles such as sharp rocks, boulders, rock fragments, and chuckholes should be
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com