Man-made underground passage in Knockgrania (corran By., Kilturra Ed)

A Man-made underground passage was recorded on the land of Mr. McDonagh in the early 1940s (ITA). The exact location of this Man-made underground passage is not known. The above description is derived from the published 'Archaeological Inventory of County Sligo' compiled by Ursula Egan, Elizabeth Byrne, Mary Sleeman with Sheila Ronan and Connie Murphy (Dublin Stationery Office, 2005). Date of upload: 18 January 2008