Cropmarks of a probable former boundary of unknown date, to the south of Ludney. Visible as a sinuous, curvilinear feature, running for approximately 230m. Identified on aerial photography examined as part of the National Mapping Programme. {1} The feature is visible as a faint cropmark on the Bing Maps aerial photographic and Google Maps satellite imagery layers. The feature is closely aligned with the parish boundary between Conisholme and Grainthorpe, and may be a former watercourse or drainage channel. {2}{3}