About: http://webisa.webdatacommons.org/437809163

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	At the intersection of each of those lines is a point which controls the fill of the mesh at that point.
http://www.w3.org/ns/prov#wasQuotedFrom	cartographersguild.com