4De Valera, Ruaidhrí, and Seán Ó.Nualláin. Survey of the Megalithic Tombs of Ireland. Vol. III, Counties Galway-Roscommon-Leitrim-Longford-Westmeath-Laoighis-Offaly-Kildare-Caven. Dublin: Stationery Office, 1972. 106-108.
Of the gap at the bottom of the septal stone, the survey authors wrote: "Its edges are flaked but it is not clear whether this is a contrived feature or a fortuitous break along the edge of the stone."