Poulawack Cairn. View of cairn at Poulawack, Co. Clare.

Poulawack Cairn. General view of Poulawack Cairn in Co. Clare.

Hut in Poulawack. Remains of hut built by the Harvard Irish Study during excavation of Poulawack Cairn in 1934.

Hut in Poulawack. Remains of hut built by the Harvard Irish Study during excavation of Poulawack Cairn in 1934.

Poulawack. Souterrain enclosed by ringfort at Poulawack, Co. Clare.

Poulawack. Close up of souterrain in Poulawack, Co. Clare.