{"geometry":{"type":"MultiPolygon","coordinates":[[[[1.290059,51.939236],[1.290141,51.939594],[1.290308,51.940359],[1.290317,51.94036],[1.290331,51.940422],[1.290346,51.940502],[1.290337,51.940545],[1.290312,51.940573],[1.29028,51.940597],[1.290217,51.940607],[1.290116,51.940601],[1.289988,51.940582],[1.289928,51.940549],[1.289877,51.940503],[1.289588,51.940043],[1.289287,51.939292],[1.289233,51.939192],[1.289175,51.939092],[1.289083,51.939004],[1.288946,51.939051],[1.288803,51.938983],[1.288623,51.938902],[1.288468,51.938799],[1.288319,51.938696],[1.288121,51.938519],[1.288002,51.93834],[1.287914,51.938199],[1.287859,51.938076],[1.287829,51.937877],[1.287812,51.937702],[1.287824,51.937611],[1.287926,51.937619],[1.287919,51.937615],[1.288051,51.937621],[1.288456,51.937593],[1.288821,51.937537],[1.289093,51.937461],[1.289318,51.937375],[1.289525,51.9373],[1.289695,51.937233],[1.289836,51.9372],[1.290057,51.937188],[1.290364,51.937223],[1.290437,51.937269],[1.290474,51.937334],[1.290444,51.937426],[1.290372,51.937517],[1.290281,51.937596],[1.290174,51.937711],[1.290018,51.938043],[1.289975,51.93821],[1.289928,51.938451],[1.2899,51.938578],[1.289918,51.938817],[1.289944,51.938925],[1.290059,51.939236]]],[[[1.28732,51.937633],[1.287298,51.937664],[1.28703,51.937591],[1.287051,51.937559],[1.28732,51.937633]]]]},"type":"Feature","properties":{"entry-date":"2025-09-30","start-date":"","end-date":"","entity":7501749,"name":"Beacon Hill Fort: a late 19th and 20th century coastal artillery fortification","dataset":"heritage-at-risk","typology":"geography","reference":"1018958","prefix":"heritage-at-risk","organisation-entity":16,"quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/heritage-at-risk/search-register/list-entry/26408"}}