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    Archive Number
    2023-06-13_6998
    Description
    Cwm Twrch (west) survey (Bryn Henllys, Derlwyn Isaf), 1993. Machine Plot. SN71. To scale 1: 2500. Produced as part of the RCAHMW's Upland Initiative project, 1993 - 2000.
    Collection Name
    Uplands Initiative - Reports
    Medium
    6 A3 pages. Cartographic.
    Originator
    Royal Commission on the Ancient and Historical Monuments of Wales
    Date
    1993