{"entry-date":"2026-06-11","start-date":"1935-07-12","end-date":"","entity":13900018,"name":"Offa's Dyke: Upperton Farm, two sections extending 195yds (180m) and 370yds (340m) S from Yazor","dataset":"scheduled-monument","typology":"geography","reference":"1001736","prefix":"scheduled-monument","organisation-entity":16,"geometry":"MULTIPOLYGON (((-2.88535 52.115175, -2.885458 52.116701, -2.885786 52.116689, -2.885654 52.115173, -2.88535 52.115175)), ((-2.885052 52.111542, -2.885097 52.112394, -2.885284 52.114586, -2.885625 52.114573, -2.885571 52.113854, -2.885547 52.113345, -2.885619 52.112496, -2.885377 52.111454, -2.885051 52.111454, -2.885052 52.111542)))","point":"POINT (-2.885411 52.113785)","quality":"authoritative","documentation-url":"https://historicengland.org.uk/listing/the-list/list-entry/1001736"}