About: http://webisa.webdatacommons.org/322348202

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	The obstacles may be navigational, such as following a marked path through the water, or physical.
http://www.w3.org/ns/prov#wasQuotedFrom	informationweek.com