About: http://webisa.webdatacommons.org/301275299

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	Dredging the harbor bed then sinking a tube or tubes whether prefab together or not cost well into a few billion dollars.
http://www.w3.org/ns/prov#wasQuotedFrom	secondavenuesagas.com