• Cymraeg
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    Archive Number
    6438458
    Description
    Figure 48. A cross-section of the lower section of Oakeley quarry (the former Palmerston quarry), illustrating the complexity of a large Ffestiniog operation in several different veins. With acknowledgement to Graham Isherwood
    Collection Record
    WSP - Welsh Slate Publication Collection
    Medium
    Graphic.
    Originator
    RCAHMW
    Date
    2014