This one in County Limerick offers nothing so obliging. What may be a prehistoric barrow near Elton exists, for now, almost entirely as a shadow, a circular cropmark caught briefly in aerial photography and never confirmed by anything a visitor could actually see or touch.

A barrow is, in its simplest form, a burial mound, typically earthen and often ringed by a ditch, raised over the dead during the Bronze Age or earlier. The site recorded here, catalogued under the reference LI040-166002-, was not identified through any ground survey or excavation but through the examination of aerial photographs taken on 3 November 1984, during work connected to the Bórd Gáis Éireann gas pipeline. At a scale of 1 to 10,000, the photographs revealed what appeared to be a circular cropmark in reclaimed pasture, with a possible accompanying ditch-barrow lying some eight metres to the north-east. Cropmarks of this kind form when buried features, such as ditches that have silted up or foundations long since dissolved into the soil, affect how crops or grasses grow above them, producing patterns visible from altitude even when the ground beneath appears unremarkable. The site does not appear on any Ordnance Survey Ireland historic mapping, and by the time Digital Globe orthoimage surveys were carried out between 2011 and 2013, no surface remains were visible at all. The record was compiled by Fiona Rooney and uploaded in May 2021.

There is, in practical terms, very little to see here. The land is reclaimed pasture, the kind of ordinary agricultural ground that gives no outward sign of what may lie beneath. A visitor approaching Elton with this site in mind would be looking at an unmarked field, with no mound, no stone, no interpretive panel. The value of knowing about it is perhaps precisely that: a reminder that the archaeological record of Ireland is full of sites that persist only in archive photographs, or in the way grass grew differently one autumn forty years ago when a pipeline was being surveyed overhead.