Ganister and fireclay (10 items)

    • P203101
    • Bwlch-Gwyn Ganister Quarries. Looking S.
    • P203102
    • Bwlch-Gwyn Ganister Quarries. Looking E.
    • P203103
    • Bwlch-Gwyn Ganister Quarries. Looking NE.
    • P204533
    • Clough Green Pipeworks, 1 1/4 m. SW of...
    • P204716
    • Lindley's Magnum Quarries, 2 1/2 m. S....
    • P204846
    • Quarry at Dinas Rock, Pontneath....
    • P208138
    • Sudborough Quarries (Stewarts and...
    • P208298
    • Silica sand-pit, 1/2 m. E. by N. of...
    • P208299
    • Silica sand-pit, 1/2 m. E. by N. of...
    • P208300
    • Silica sand-pit, 1/2 m. E. by N. of...