Image of Moneydig (Passage Grave) by Rhiannon

archive.org/stream/journalofroyalso3451roya#page/158/mode/2up
From ‘The Daff Stone,’ Moneydig, County Derry, by the Late Rev. George R Buick.
In the Journal of the Royal Society of Antiquaries of Ireland (1904).

Image credit: George Buick