{"entry-date":"2026-08-08","start-date":"1967-09-08","end-date":"","entity":31526156,"name":"DUDDON IRON FURNACE","dataset":"listed-building","typology":"geography","reference":"1068577","prefix":"listed-building","organisation-entity":16,"geometry":"","point":"POINT (-3.235519 54.284029)","quality":"some","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1068577","listed-building-grade":"II*"}