The hachured marking, a cartographic shorthand used to suggest a slope or earthwork feature, showed up on the 1947 to 1948 revision of the OS six-inch map and carried just enough visual weight to suggest something older and more significant lurking beneath the Galway grassland.

When someone finally went to check in 1984, the reality was considerably more mundane. The feature turned out to be a disused sand or gravel pit, the kind of small-scale extraction site that would have served local construction or agricultural needs some time after 1700. Because it falls outside that threshold, it sits beyond the scope of archaeological protection, which is precisely what makes it a small curiosity in its own right. It is a place that was, for a time, recorded as a question mark, a shape on a map that implied heritage and delivered industry.