{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.404324,52.55249],[-0.404338,52.552506],[-0.404363,52.552517],[-0.404408,52.552519],[-0.404435,52.552511],[-0.404463,52.552461],[-0.404657,52.552493],[-0.404784,52.552502],[-0.404899,52.552499],[-0.405034,52.552481],[-0.405181,52.55244],[-0.405309,52.552381],[-0.405412,52.552306],[-0.405486,52.552219],[-0.405524,52.55213],[-0.405603,52.552121],[-0.405683,52.552083],[-0.405718,52.552039],[-0.405722,52.55199],[-0.405693,52.551944],[-0.405636,52.551909],[-0.405562,52.55189],[-0.405481,52.551892],[-0.405401,52.551814],[-0.405253,52.551719],[-0.405112,52.551659],[-0.404956,52.551615],[-0.40479,52.551589],[-0.404607,52.551582],[-0.404481,52.551607],[-0.404327,52.551653],[-0.404171,52.551718],[-0.404037,52.551799],[-0.403978,52.551858],[-0.403957,52.55189],[-0.403933,52.551945],[-0.403925,52.551991],[-0.40393,52.552115],[-0.403946,52.552165],[-0.403979,52.552223],[-0.404036,52.552285],[-0.404122,52.552347],[-0.404242,52.552403],[-0.40434,52.552431],[-0.404324,52.55249]]]]},"type":"Feature","properties":{"entry-date":"2026-06-11","start-date":"1995-09-15","end-date":"","entity":13904070,"name":"Henge, ring ditch and prehistoric settlement remains, 450m west of High Holborn Lodge","dataset":"scheduled-monument","typology":"geography","reference":"1013281","prefix":"scheduled-monument","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1013281"}}