This one is remarkable for what does not. On a north-east-facing hillside in the rolling pastureland of Lisglenbeha, there was once an earthwork of a type known as a platform earthwork, a roughly sub-rectangular raised or levelled area of ground that typically survives as a low, defined terrace cut into or built up from a slope. Such features are found across Ireland and are often associated with settlement or enclosure activity, though their precise function and date can vary considerably. What made this particular example quietly significant was its visibility on the first edition Ordnance Survey six-inch map of 1840, positioned in the north-east angle of a field, its form distinct enough to be recorded by the surveyors who travelled these townlands in the decades before the Famine.

By the time later editions of the same map series were produced, the site had already vanished from the cartographic record. At some point between the mid-nineteenth century and the present day, the earthwork was levelled entirely, and the field boundary that once abutted it was cleared away too. Nothing remains visible at ground level. The 1840 map is now the sole document of its existence, a single early survey capturing a feature that subsequent generations quietly erased. It is a pattern repeated at countless sites across the Irish countryside, where agricultural improvement, boundary clearance, and land consolidation have removed traces that had survived for centuries or longer, leaving only the occasional cartographic ghost behind.