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    Archive Number
    6438474
    Description
    Figure 125. This incline at Rhosydd in the Croesor area lowered slate blocks underground from floor 9 to floor 5. Illustration redrawn from Lewis and Denton 1974: 32
    Collection Name
    WSP - Welsh Slate Publication Collection
    Medium
    Graphic.
    Originator
    RCAHMW
    Date
    2014