{"geometry":{"type":"MultiPolygon","coordinates":[[[[-5.304298,50.143839],[-5.304624,50.144185],[-5.304863,50.144092],[-5.30454,50.143748],[-5.304298,50.143839]]]]},"type":"Feature","properties":{"entry-date":"2026-04-30","start-date":"1978-12-18","end-date":"","entity":13902992,"name":"Part of a mining complex 210m south of Nancegollan Farm","dataset":"scheduled-monument","typology":"geography","reference":"1004610","prefix":"scheduled-monument","organisation-entity":"16","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1004610"}}