{"entry-date":"2026-10-13","start-date":"2013-06-26","end-date":"","entity":31853221,"name":"Submarine Escape Training Tank (SETT), HMS Dolphin","dataset":"listed-building","typology":"geography","reference":"1414020","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-1.117314 50.787427)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1414020","listed-building-grade":"II"}