The distinction matters less than it might seem. A souterrain is an underground stone-lined passage or chamber, typically associated with early medieval settlement in Ireland, used variously for storage, refuge, or both. The one recorded here exists mainly as a story: a machine broke ground, an underground cavern filled with water appeared, and then it was filled back in and forgotten.

What is known comes entirely from local memory rather than excavation or formal investigation. During mechanical groundworks in level pasture to the south-west of a railway line, something hollow and water-bearing was encountered below the surface. Whether it was a true souterrain, a natural void, or something else entirely was never established. It was sealed for safety, and the ground closed over it again. No visible trace remains today, which places this site in an unusual category: a record not of what was found, but of what was briefly glimpsed and then deliberately obscured.

There is nothing to see at Minish. The field looks like a field. That, in its own quiet way, is the point. Archaeology in Ireland is full of sites where the evidence is incomplete, ambiguous, or simply gone, and this one sits at the far end of that spectrum, where the record amounts to little more than a rumour the earth briefly confirmed before swallowing again.