{"geometry":{"type":"MultiPolygon","coordinates":[[[[0.406148,52.752136],[0.405987,52.752147],[0.405893,52.752168],[0.405715,52.752225],[0.405479,52.752329],[0.405261,52.752455],[0.405144,52.752536],[0.404947,52.752705],[0.404885,52.752778],[0.40457,52.752792],[0.404609,52.752671],[0.40466,52.75258],[0.404604,52.752542],[0.404578,52.752509],[0.404669,52.752461],[0.404892,52.752286],[0.405405,52.751933],[0.405464,52.751859],[0.40555,52.751726],[0.405567,52.751675],[0.405572,52.751613],[0.405558,52.751573],[0.405509,52.751493],[0.40548,52.751419],[0.405452,52.751205],[0.405442,52.751024],[0.405428,52.750961],[0.405404,52.7509],[0.405766,52.750891],[0.405772,52.751006],[0.405811,52.751135],[0.405863,52.751184],[0.405992,52.751222],[0.406128,52.751237],[0.406262,52.751235],[0.406369,52.751269],[0.406504,52.751325],[0.406715,52.751429],[0.407055,52.751609],[0.407097,52.751635],[0.407115,52.751661],[0.407109,52.751701],[0.407066,52.751758],[0.406703,52.752084],[0.406628,52.752136],[0.406554,52.752163],[0.406498,52.752171],[0.406312,52.752138],[0.406148,52.752136]]]]},"type":"Feature","properties":{"entry-date":"2026-06-11","start-date":"","end-date":"","entity":13902089,"name":"Post-medieval defences","dataset":"scheduled-monument","typology":"geography","reference":"1003696","prefix":"scheduled-monument","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1003696"}}