{"entry-date":"2026-09-26","start-date":"1966-12-07","end-date":"","entity":31588015,"name":"OLD POWDER MAGAZINE","dataset":"listed-building","typology":"geography","reference":"1130838","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-2.003625 54.426302)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1130838","listed-building-grade":"II*"}