| Books
Below is a list of useful Books and Publications:-
Cwm Gwyrfai: The Quarries of the North Wales Narrow Gauge and the Wesh Highland
Railways, by Dr. Gwynfor Pierce Jones and Alun John Richards, published by Gwasg Garreg Gwalch.
Gwynedd – Inheriting a Revolution – The Archeology of Industrialisation in North West Wales, by Dr. David Gwyn, published by Phillimore
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