{"entry-date":"2026-08-06","start-date":"1961-07-17","end-date":"","entity":13900384,"name":"Cardurnock Marsh turret 4a","dataset":"scheduled-monument","typology":"geography","reference":"1007184","prefix":"scheduled-monument","organisation-entity":16,"geometry":"MULTIPOLYGON (((-3.291695 54.922678, -3.292012 54.922693, -3.29208 54.922548, -3.291776 54.922519, -3.291695 54.922678)))","point":"POINT (-3.291888 54.92261)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1007184"}