About: http://webisa.webdatacommons.org/300908732

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	FIG. 7 is a graph that plots the measured echo delay time (round trip time of flight for a pulse from the transducer to the well fluid surface), as a function of time after the toneburst.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com