Harnessing the tides : the early medieval tide mills at Nendrum Monastery, Strangford Lough /
McErlean, Thomas.
Crothers, Norman.
Stationery Office (Great Britain)
Northern Ireland.Environment and Heritage Service.
Norwich : Stationery Office,
2007.
Includes bibliographical references and index.
Tide mills
Excavations (Archaeology)
Christian antiquities