Thompson, S.J., 1972. Lead Ore Production in the High Peak 1832-48. Part 1. Winster Liberty. Memoirs of the Northern Cavern & Mine Research Society Vol.2 No.2 p. 75-76.
Thompson, S.J., 1972. Lead Ore Production in the High Peak 1832-48. Part 1. Winster Liberty. Memoirs of the Northern Cavern & Mine Research Society Vol.2 No.2 p. 75-76.