60
    • P206950
    • Messrs. Armitage's Quarry, Normanton....
    • P206951
    • Messrs. Armitage's Quarry, Normanton....
    • P206970
    • Quarry (Camplin Bros. Ltd.), Ackworth...
    • P206971
    • Quarry (Messrs. W.W. Bowman), Ackworth...
    • P206972
    • Quarry (Messrs. W.W. Bowman), Ackworth...