About: http://webisa.webdatacommons.org/156842463

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	Yes, you are correct that the lack of a disaster, by itself, doesn???t prove there ever was a problem.
http://www.w3.org/ns/prov#wasQuotedFrom	crookedtimber.org