{"geometry":{"type":"MultiPolygon","coordinates":[[[[-2.971722,52.187508],[-2.971665,52.187532],[-2.971484,52.187613],[-2.971674,52.187829],[-2.971964,52.188094],[-2.972219,52.188312],[-2.97232,52.18838],[-2.972652,52.188579],[-2.97378,52.189227],[-2.974162,52.189437],[-2.974632,52.189698],[-2.975428,52.190167],[-2.975785,52.190386],[-2.976296,52.19072],[-2.976701,52.190968],[-2.976993,52.191141],[-2.977088,52.190951],[-2.976676,52.190689],[-2.97578,52.190138],[-2.974848,52.189557],[-2.974073,52.189099],[-2.97307,52.188487],[-2.972595,52.188202],[-2.972357,52.188029],[-2.972034,52.187724],[-2.971773,52.187488],[-2.971722,52.187508]]]]},"type":"Feature","properties":{"entry-date":"2026-07-11","start-date":"1935-06-05","end-date":"","entity":13900017,"name":"Offa's Dyke: section NW of Holme Marsh extending 615yds (560m) to the railway","dataset":"scheduled-monument","typology":"geography","reference":"1001735","prefix":"scheduled-monument","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1001735"}}