Ground plan and section of a fort situated on a circular island, surrounded by a ring of water, and showing a platform of oak that served as an entrance.|Annotated key: a, the part of the ring in which the timber was found; b, the circular ring of water; c. the island; d, the circular ring raised above the level of the island.|Drawing occurs in the body of the text.|See Ordnance Survey Memoirs of Ireland, v.28, 1995, p.32
Attribution:
OS200 and Royal Irish Academy
Rights:
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