In a field of level pasture somewhere in Acres, County Limerick, the official record points to a spot where an embanked circular enclosure once existed, roughly ten metres in diameter, and yet the ground itself offers no confirmation whatsoever. No ridge, no dip, no scatter of stone. Just grass.

The enclosure was recorded on the 1923 Ordnance Survey six-inch map, one of the great documentary achievements of Irish cartography, which captured countless earthworks, ring forts, and field monuments that had survived more or less intact up to that point. An embanked enclosure of this kind would typically have consisted of a low earthen bank defining a circular space, the sort of feature associated with early agricultural or ceremonial use, though a diameter of around ten metres is modest. When Denis Power compiled the site record, uploaded in August 2011, there was no evident surface trace remaining. The monument had, by that point, effectively ceased to exist as anything a visitor could observe directly, leaving only its outline on an old map and its entry in an archaeological database as evidence that it was ever there at all.

For anyone curious enough to seek out the location, the experience is necessarily one of absence rather than presence. The pasture is level, which is precisely why the loss is so complete; on sloped or rougher ground, earthworks tend to resist the plough more stubbornly. There is no access infrastructure, no signage, and nothing to orientate a visit beyond the coordinates in the national record. What the site offers, in a quiet way, is a reminder that archaeological inventories document losses as much as survivals, and that a mark on a century-old map can outlast the physical thing it was drawn to represent.