This kind of cropmark forms when buried ditches or banks alter the moisture and nutrient content of the soil above them, causing overlying vegetation to grow taller or shorter in patterns that trace the outline of whatever lies beneath. What showed up on an aerial photograph taken on 16 July 1971 was a rectangle roughly 57 metres across its longest axis and 43 metres across its shorter one, defined by two closely spaced fosses, that is, ditches cut into the ground as boundary or defensive features.

What makes the site more than a historical footnote is the question of what those two parallel ditches once enclosed. A single fosse might mark an ordinary field boundary or farmyard limit, but two closely set ditches suggest something more deliberate, possibly a monument of some antiquity rather than a workaday agricultural division. The first edition Ordnance Survey six-inch map of 1839 and its 1900 revision both show the area as a modest field attached to a farmhouse and yard, with no indication that anything unusual lay underneath. By 1968 the field had already been levelled, erasing whatever surface traces remained. By 2005, when satellite imagery captured the scene, even the farmhouse and its associated field boundaries had gone, absorbed into the large tillage field that covers the site today.

The site exists now primarily as a record, preserved in that 1971 aerial photograph rather than in the landscape itself. There is nothing to see at ground level, and the enclosure's original purpose, its age, and its precise character remain unresolved. It is the kind of place that raises more questions than it answers, a rectangular shadow in a Kilkenny field, noticed once from altitude and then swallowed by successive decades of agricultural change.