About: http://webisa.webdatacommons.org/140879631

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. 49 is a schematical drawing to show the case where the departure point is under the ground.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com