34Allen, J. Romilly. "Notes on the Antiquities in Co. Kerry Visited by the Royal Society of Antiquaries of Ireland and the Cambrian Arch├Žological Association, August, 1891 (Continued)." The Journal of the Royal Society of Antiquaries of Ireland 2.3 (1892): 284.
The lighthouse workers also were responsible for building some of the modern walls at the monastic site, where they were temporarily housed. (Lavelle, Des. Skellig: Island Outpost of Europe. Montreal: McGill-Queen's UP, 1976. 36.)
On Inishmore in the Aran Islands, the Iron Age fort of Dun Aengus has massive stone buttresses that are entirely the work of 19-century Board of Works architects.