{"geometry":{"type":"MultiPolygon","coordinates":[[[[-3.915906,51.227152],[-3.915762,51.22717],[-3.915672,51.227192],[-3.915599,51.227227],[-3.915516,51.227328],[-3.915462,51.227452],[-3.915451,51.227522],[-3.915461,51.227587],[-3.915486,51.22766],[-3.915522,51.22772],[-3.915583,51.227782],[-3.915743,51.227859],[-3.915846,51.227892],[-3.916019,51.227917],[-3.916128,51.227914],[-3.916193,51.22791],[-3.916326,51.227882],[-3.916504,51.227832],[-3.916584,51.227781],[-3.916641,51.22772],[-3.916677,51.227629],[-3.916685,51.22754],[-3.916681,51.227455],[-3.916652,51.227379],[-3.916609,51.227315],[-3.916544,51.227265],[-3.916455,51.227213],[-3.91635,51.227181],[-3.916055,51.227149],[-3.915906,51.227152]]]]},"type":"Feature","properties":{"entry-date":"2026-06-11","start-date":"1923-08-10","end-date":"","entity":13902268,"name":"Martinhoe Castle (Roman signal station)","dataset":"scheduled-monument","typology":"geography","reference":"1003882","prefix":"scheduled-monument","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1003882"}}