Named 'Fort' on 1837 OS 6-inch map where it is represented as pecked line with a section of the interior shown and named as as a gravel pit. A large quarry is represented on the OS 25-inch plan (surveyed 1908). Now completely quarried. (Moore 1987, no. 1158) Revised by: Paul Walsh Date of upload: 31 October 2013

Description Source: National Monuments Service, Department of Arts, Heritage Regional, Rural and Gaeltacht Affairs.