In the townland of Cowpark in County Limerick, a small mound once noted to the north-east of Killeen Church has, by all available evidence, simply vanished. No surface trace remains, no subtle rise in the ground, nothing to indicate that anything was ever there at all.

The mound entered the archaeological record through the topographical files of the National Museum of Ireland, which logged it in association with the nearby Killeen Church, a site catalogued under the reference LI011-065001-. The note is brief: a mound approximately twenty feet, or six and a half metres, in diameter, positioned to the north-east of the church. Killeen, as a placename, typically derives from the Irish cillín, referring to a small church or, in many cases, an informal unconsecrated burial ground used for unbaptised infants, a practice common across rural Ireland into the twentieth century. Whether the mound at Cowpark had any connection to such a burial tradition, or whether it was of earlier, perhaps prehistoric, origin, the record does not say. What the record does say, clearly, is that when aerial photography was examined, including an ASI photograph taken on 4 March 2006 and a Digital Globe image, no mound could be identified. The site was compiled by Caimin O'Brien and uploaded to the record in April 2018.

For anyone curious enough to visit the area around Killeen Church in Cowpark, the experience will be one of interpretation rather than observation. The church itself provides the orientation point, and the ground to its north-east is where attention should be directed, though without any visible feature to anchor that attention. It is the kind of site that rewards a particular cast of mind, one comfortable with absence as information. The mound may have been levelled by agricultural activity, absorbed into the surrounding landscape over generations of ploughing or land improvement. Or the original record may have been mistaken. Either way, what survives is the note, a small entry in a large archive, describing something that can no longer be seen.