{"entry-date":"2026-06-11","start-date":"1986-03-07","end-date":"","entity":13903913,"name":"Roman fort called 'Nanstallon Roman fort' 135m south west of Tregear","dataset":"scheduled-monument","typology":"geography","reference":"1007273","prefix":"scheduled-monument","organisation-entity":16,"geometry":"MULTIPOLYGON (((-4.770744 50.470009, -4.77092 50.470067, -4.771153 50.470098, -4.771349 50.470155, -4.771913 50.47024, -4.771945 50.470128, -4.772028 50.469905, -4.772114 50.469731, -4.772284 50.469333, -4.771191 50.469101, -4.770744 50.470009)))","point":"POINT (-4.771522 50.46968)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1007273"}