About: http://webisa.webdatacommons.org/135435685

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 gauges are set to a fixed location including altitude, while the river itself can scour deeper or fill with sediment or move its channel.
http://www.w3.org/ns/prov#wasQuotedFrom	thinkprogress.org