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Archive Number
6438544
Description
Ffigur 217. Map yn dangos datblygiad harbwr Porthmadog. Yn seiliedig ar (h) hawlfraint a hawl cronfa ddata'r Goron 2014. Rhif trwydded yr Arolwg Ordnans 100022206
Collection Record
WSP - Welsh Slate Publication Collection
Medium
Graphic.
Originator
RCAHMW
Date
2014