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The Down Survey (1655-6) map shows dwellings at the mouth of the estuary at the southern end of the present village of Portmarknock. The exact location of these is unknown.
Compiled by: Geraldine Stout
Date of upload: 26 August 2011
The monument record does not grant public access. Check the route and ask the landowner before entering private land.
The map shows only the centre of the wider government map area. The government record does not identify the exact monument point.