{"entry-date":"2026-09-16","start-date":"2004-02-24","end-date":"","entity":13919249,"name":"World War II caisson, West Knock sandbank, Shoebury Ness","dataset":"scheduled-monument","typology":"geography","reference":"1021090","prefix":"scheduled-monument","organisation-entity":16,"geometry":"MULTIPOLYGON (((0.766158 51.508122, 0.765564 51.508427, 0.765345 51.508276, 0.765952 51.507963, 0.766158 51.508122)))","point":"POINT (0.765755 51.508197)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1021090"}