⁹Bergh, Stefan. Landscape of the Monuments: A Study of the Passage Tombs in the Cuil Irra Region. Riksantikvarieämbetet, 1995. 69.
Bergh considers these stones to be remnants of a second passage “running north.” Archaeologist Sam Moore concurs in this analysis. (Abbeyquarter North Passage Tomb, Co. Sligo Sl014-266 A Landscape Analysis (unpublished essay).