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    Archive Number
    6006401
    Description
    Vulcan House and Foundry, Merthyr Tydfil; photocopied extracts from 1875 and 1919 editions of Ordnance Survey 25" maps, 1/500 Ordnance Survey public health map (undated) and 1836 map by John Woods.
    Collection Name
    NMR Site Files
    Medium
    Cartographic.
    Originator
    Ordnance Survey
    Date
    1873 to 1874