• English
    •    Hygyrchedd

    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6231824
    Disgrifiad
    Pwll Mawr Colliery; descriptive account produced by Stephen Hughes, accompanied by sections of two large scale maps.
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Text.
    Cychwynnwr
    Stephen R. Hughes, RCAHMW
    Dyddiad
    1979-08-20