{"geometry":{"type":"MultiPolygon","coordinates":[[[[-5.274229,50.038764],[-5.2741,50.03878],[-5.274037,50.038792],[-5.273975,50.038806],[-5.273915,50.038823],[-5.273856,50.038842],[-5.2738,50.038864],[-5.273745,50.038888],[-5.273693,50.038913],[-5.273644,50.038941],[-5.273597,50.038971],[-5.273554,50.039003],[-5.273514,50.039037],[-5.273477,50.039072],[-5.273443,50.039108],[-5.273413,50.039146],[-5.273387,50.039185],[-5.273365,50.039225],[-5.273347,50.039265],[-5.273332,50.039307],[-5.273322,50.039348],[-5.273316,50.039391],[-5.273314,50.039433],[-5.273316,50.039475],[-5.273322,50.039518],[-5.273332,50.039559],[-5.273347,50.039601],[-5.273365,50.039641],[-5.273387,50.039681],[-5.273413,50.03972],[-5.273443,50.039758],[-5.273477,50.039794],[-5.273513,50.039829],[-5.273554,50.039863],[-5.273597,50.039895],[-5.273644,50.039924],[-5.273693,50.039952],[-5.273745,50.039978],[-5.2738,50.040002],[-5.273856,50.040024],[-5.273915,50.040043],[-5.273975,50.04006],[-5.274037,50.040074],[-5.2741,50.040086],[-5.274229,50.040102],[-5.274295,50.040106],[-5.274361,50.040107],[-5.274426,50.040106],[-5.274492,50.040102],[-5.274557,50.040095],[-5.274621,50.040086],[-5.274684,50.040074],[-5.274746,50.04006],[-5.274806,50.040043],[-5.274865,50.040024],[-5.274921,50.040002],[-5.274976,50.039978],[-5.275028,50.039952],[-5.275077,50.039924],[-5.275124,50.039895],[-5.275167,50.039863],[-5.275207,50.039829],[-5.275245,50.039794],[-5.275278,50.039758],[-5.275308,50.03972],[-5.275334,50.039681],[-5.275356,50.039641],[-5.275375,50.039601],[-5.275389,50.039559],[-5.275399,50.039518],[-5.275405,50.039475],[-5.275408,50.039433],[-5.275405,50.039391],[-5.275399,50.039348],[-5.275389,50.039307],[-5.275375,50.039265],[-5.275356,50.039225],[-5.275334,50.039185],[-5.275308,50.039146],[-5.275278,50.039108],[-5.275245,50.039072],[-5.275208,50.039037],[-5.275167,50.039003],[-5.275124,50.038971],[-5.275077,50.038941],[-5.275028,50.038913],[-5.274922,50.038864],[-5.274865,50.038842],[-5.274806,50.038823],[-5.274746,50.038806],[-5.274684,50.038792],[-5.274621,50.03878],[-5.274557,50.038771],[-5.274492,50.038764],[-5.274426,50.03876],[-5.274361,50.038759],[-5.274295,50.03876],[-5.274229,50.038764]]]]},"type":"Feature","properties":{"entry-date":"2026-02-07","start-date":"1982-01-19","end-date":"","entity":12800005,"name":"SCHIEDAM","dataset":"protected-wreck-site","typology":"geography","reference":"1000049","prefix":"protected-wreck-site","organisation-entity":16,"quality":"authoritative","legislation":"1982/47","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1000049"}}