About: http://webisa.webdatacommons.org/248579758

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	it is one reason they tell people to not get any closer to the base of the falls than the observation area -- falling rocks are a hazard.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com