{"entry-date":"2025-09-30","start-date":"","end-date":"","entity":7500816,"name":"Brownrigg North tower 21b, 830 metres north west of Canonby Hall, part of the Roman frontier defences along the Cumbrian coast","dataset":"heritage-at-risk","typology":"geography","reference":"1014811","prefix":"heritage-at-risk","organisation-entity":16,"geometry":"MULTIPOLYGON (((-3.460013 54.738792, -3.460022 54.739061, -3.460488 54.739056, -3.460478 54.738786, -3.460013 54.738792)))","point":"POINT (-3.46025 54.738924)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/heritage-at-risk/search-register/list-entry/33320"}