On the six-inch Ordnance Survey map published in 1931, a hachured marking sits in the rough grazing land of Kilcolumb in County Galway, the cartographic shorthand for a depression or earthwork suggesting something worth noting. When someone finally went to look in 1984, the feature turned out to be a disused quarry pit, long since abandoned and absorbed back into the surrounding scrubland.

Hachuring, a technique of drawing short lines radiating outward to indicate slopes or hollows, was the standard method OS mapmakers used before contour lines became universal practice. It is a notation that tends to lend significance to whatever it marks, which makes the gap between the map's implied drama and the quiet reality of an exhausted quarry pit all the more striking. Quarries of this kind were common across rural Ireland, dug to extract limestone or other local stone for building walls, roads, or farm structures, and then simply left when the useful material was gone. The land around them reverted to grazing, and the pits themselves gradually softened at the edges. This one in Kilcolumb is no different, a small industrial remnant sitting unremarked in ordinary farmland, its original purpose unrecorded and its working life impossible now to date with any certainty.