About: http://webisa.webdatacommons.org/124925243

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	A river delta is a constantly changing place where I would argue that at a single point in time the river rules apply but over a short time span they change so fast that it appears to violate them.
http://www.w3.org/ns/prov#wasQuotedFrom	cartographersguild.com