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    Wern-Isaf Rock Walls Cutting, Eastern Stop-Plank Grooves, Llangollen Canal;Ellesmere Canal;Shropshire Union Canal

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    NPRN406673
    Map ReferenceSJ24SW
    Grid ReferenceSJ2235742071
    Unitary (Local) AuthorityDenbighshire
    Old CountyDenbighshire
    CommunityLlangollen
    Type Of SiteCANAL
    PeriodModern
    Description
    Stop-plank grooves in narrowing of canal to close in case of breach
    Frequency of stop-plank grooves shows advanced scale of channel engineering

    D.P. Jones, RCAHMW, 17th September 2007