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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6418905
    Disgrifiad
    Measured drawing of cross section through engine and boiler houses at Penallta Colliery. As published on p. 26 of Collieries in Wales: Engineering and Architecture by S. Hughes et al
    Enw Casgliad
    CWC - RCAHMW Collieries Publication Collection
    Cyfrwng
    Graphic.
    Cychwynnwr
    Stephen R. Hughes
    Dyddiad
    1994 to 1995