1:25 000 First Series map of Harlech area Sheet SH 53 This map covers the area to the north-west of Harlech, across the sand dunes of Morfa Harlech to Porthmadog and Criccieth. It is of historic interest as it was compiled from original 6" sheets last fully revised around 1914 with only partial revision later, and final publication in 1956.
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