About: http://webisa.webdatacommons.org/441090695

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	Building new reefs requires putting hard substrate, such as rock or concrete, on the bottom, which is then usually covered with a layer of oyster shells.
http://www.w3.org/ns/prov#wasQuotedFrom	bayjournal.com