On the ground, a gently rolling stretch of arable land south of a farmhouse gives nothing away. No earthworks, no exposed stonework, no obvious interruption in the soil. The only evidence that something organised once existed here came not from a fieldwalker or an excavator, but from a satellite.

Between 2011 and 2013, a Digital Globe orthoimage, a high-resolution image captured from orbit and corrected to remove distortions caused by the curvature of the earth and camera angle, picked up what appears to be a field system expressed as a crop mark. Crop marks form when buried features affect how plants grow above them; ditches, for instance, retain moisture and produce lusher, taller growth, while buried walls stress crops, leaving paler lines in a ripening field. From above, these subtle differences in colour and height can sketch out the outlines of long-vanished structures. At Salmon, that ghost pattern suggests the boundaries of an ancient organised landscape, though the site remains classed as a possible field system rather than a confirmed one. Significantly, a ring-ditch recorded in the Sites and Monuments Record as DU005-094, a circular earthwork that typically survives as the buried remains of a prehistoric burial monument or enclosure, lies within the same field. That association was noted in the SMR file and confirmed through personal communication with T. Condit. The record was compiled by David O'Connor and updated by Christine Baker, with the entry uploaded in November 2014.

Because there are no visible remains, a visit to this location offers little in the way of conventional archaeology tourism. The value is largely interpretive. The site sits on relatively elevated ground within an undulating agricultural landscape, and the field system, if that is indeed what it represents, would have occupied a position with reasonable prominence over the surrounding terrain. Anyone with an interest in remote sensing or landscape archaeology might find it useful to compare the Digital Globe orthoimage against the present-day appearance of the field, where the ordinary rhythms of modern farming have long since buried whatever once divided this ground into something deliberate and structured.