About: http://webisa.webdatacommons.org/44057361

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	Depths, anchorages and some obstructions such as rocks are indicated.
http://www.w3.org/ns/prov#wasQuotedFrom	whalingmuseum.org