It was not recorded, catalogued, or even acknowledged in the conventional documentary record. The only reason anyone knows it exists is that a pilot or surveyor happened to look down at the right moment, at the right angle, during the right season, and saw something in the grass that the ground itself had been quietly concealing for an unknown length of time.

The monument came to light through the Bruff aerial photographic survey of 1986, which identified a roughly circular earthwork, with a smaller and as yet unidentified feature sitting within its northern interior. Aerial survey of this kind works by catching cropmarks, the subtle variations in vegetation colour and growth that occur when buried structures affect how moisture and nutrients reach plant roots. In dry or stressed conditions, the outlines of ditches, walls, or banks can ghost their way to the surface in the form of darker or lighter strips across a field. This particular cropmark measures approximately 37 metres east to west and 35 metres north to south, and it has appeared consistently across multiple satellite and aerial images taken between 2005 and 2018, including those held by OSi, Digital Globe, and Google Earth. The site lies around 170 metres west of the townland boundary with Ragamus. What the earthwork originally was, and when it was constructed, remains unresolved. The smaller feature inside the northern quadrant is described simply as unidentifiable.

Because the site exists as a cropmark rather than a visible surface feature, there is very little to see on the ground. The pasture is rough and wet, crossed by drainage channels, and nothing breaks the surface in any obvious way. The monument is most legible from the air or via satellite imagery, and the clearest available images are the Google Earth orthophotographs from April 2006, April 2013, and June 2018, along with the original Bruff survey images. Anyone with a particular interest in the site would do well to study those before visiting, since without that overhead perspective the field offers few visible clues that anything of significance lies beneath it. The record was compiled by Alison McQueen and Vera Rahilly and uploaded in November 2020.