Hachuring, the use of short radiating lines to indicate a depression or slope in the terrain, was the cartographers' way of flagging something worth noting in the landscape, though what exactly lay beneath those marks was not always clear from the map alone. When the site was inspected in 1984, the answer turned out to be straightforward: a disused quarry pit, long since abandoned and returned to the slow processes of overgrowth and forgetting.