{"geometry":{"type":"MultiPolygon","coordinates":[[[[-2.559253,50.678517],[-2.559109,50.678525],[-2.559044,50.678538],[-2.559007,50.678556],[-2.558991,50.678573],[-2.558979,50.678617],[-2.558983,50.67866],[-2.558992,50.678678],[-2.559026,50.678711],[-2.55908,50.678731],[-2.559295,50.678744],[-2.559467,50.678729],[-2.559541,50.678697],[-2.559573,50.678657],[-2.559577,50.678632],[-2.559566,50.678588],[-2.55953,50.678551],[-2.559507,50.67854],[-2.559417,50.678524],[-2.559253,50.678517]]]]},"type":"Feature","properties":{"entry-date":"2025-06-24","start-date":"","end-date":"","entity":13901100,"name":"Helstone burial chamber","dataset":"scheduled-monument","typology":"geography","reference":"1002693","prefix":"scheduled-monument","organisation-entity":"16","quality":"","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1002693"}}