{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.31554,51.632196],[-0.315503,51.632212],[-0.315493,51.632224],[-0.315492,51.632252],[-0.315517,51.632275],[-0.315582,51.632282],[-0.315602,51.632276],[-0.315629,51.632254],[-0.31563,51.632226],[-0.315605,51.632203],[-0.31554,51.632196]]]]},"type":"Feature","properties":{"entry-date":"2026-06-11","start-date":"1977-02-23","end-date":"","entity":13902161,"name":"18th century obelisk commemorating Cassivellaunus, at Brockley Hill, Stanmore","dataset":"scheduled-monument","typology":"geography","reference":"1003774","prefix":"scheduled-monument","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1003774"}}