¹⁵⁹Clarke, Linda. "2004:1283 - Testing Area 9, Lismullin, Meath." Excavations.ie, 2004, excavations.ie/report/2004/Meath/0012405/.

The Lismullin Henge was first discovered in 2004, but its excavation was not completed until 2007. The one-third of the monument not in the footprint of the motorway was left unexcavated. More information may be found here.