Access
No known access restrictions.
References
Gill, D.W. (1973) , British Caver No.60., p.66.,
Beck, J.S. (1975) , Trans. B.C.R.S. Vol.2. No.1., p.8.,
Beck, J.S. (1978) , Bull. P.D.M.H.S. Vol.7. No.2., p.110., Peak District Mines Historical Society