{"entry-date":"2026-09-26","start-date":"1990-08-24","end-date":"","entity":31486475,"name":"City of London Corporation Coal Duty Boundary Marker at TQ 181609","dataset":"listed-building","typology":"geography","reference":"1028678","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-0.305983 51.335063)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1028678","listed-building-grade":"II"}