About: http://webisa.webdatacommons.org/67930106

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	Those structures are mainly seawalls and groins designed to fix the shoreline and jetties to keep inlets from migrating and to maintain a given channel depth.
http://www.w3.org/ns/prov#wasQuotedFrom	units.it