¹⁰The sources for the map animation were De Vismes Kane, W.F. "Additional Researches on the Black Pig's Dyke." Proceedings of the Royal Irish Academy. Section C: Archaeology, Celtic Studies, History, Linguistics, Literature 33 (1916-1917): Pl. XLVIII; and Walsh, Aidan. "Excavation at the Black Pig's Dyke." Clogher Record 14.1 (1991): Fig. 1.