About: http://webisa.webdatacommons.org/400856223

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	map is a document, why should not a three-dimensional contour map also be a document.
http://www.w3.org/ns/prov#wasQuotedFrom	berkeley.edu