A revision of the Ordnance Survey six-inch map carried out in 1944 and 1945 recorded a hachured feature at this location, the kind of marking cartographers used to indicate a hollow or depression in the terrain. When someone went to look for it in 1984, there was nothing there. The grass had closed over whatever had once broken the surface.

The most likely explanation is mundane in the best sense: a disused sand or gravel pit, the sort of small extractive hollow that appeared across rural Ireland wherever local building or agricultural work demanded raw material. These pits were rarely dramatic features even when in use, and once abandoned they could fill gradually or be levelled deliberately, leaving the map as the only record that something had ever been there. The 1944 to 1945 revision caught it; the 1984 inspection found only field. Because the feature dates to after 1700, it falls outside the scope of archaeological classification, which tends to concern itself with older ground disturbances. That boundary means this particular hollow sits in a kind of administrative gap, old enough to have disappeared, recent enough not to count as archaeology.

What remains is essentially a cartographic ghost: a mark on a mid-twentieth-century map pointing to a depression that was already, by then, probably well on its way to being forgotten.