Cropmarks of an enclosure and boundaries of possible prehistoric or Roman date, to the north-east of Haugh Walk Plantation, South Thoresby. Visible as a circular enclosure, defined by a single ditch measuring roughly 10m in diameter, with three linear boundaries arranged in a disordered pattern. Although adjcent to the enclosure, it is not certain whether the boundary features are associated. Identified on aerial photography examined as part of the National Mapping Programme. {1}