About: http://webisa.webdatacommons.org/168195297

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	Sink holes are a natural opening caused by erosion, man made, or otherwise.
http://www.w3.org/ns/prov#wasQuotedFrom	abovetopsecret.com