PDCi

Oxclose

Controlled by O.M.Mines Research Group. No access except by special arrangement. In Masson Hill SSSI.

Nash, D.A. (1957) , Trans C.R.G. Nol.5. No.1., pp.19-20., Cave Research Group

Ford, T.D. (2001) , Mining History. Bull. P.D.M.H.S. Vol.14. No.6., pp.1-34., Peak District Mines Historical Society

Webb, D. (2001) , A Cave and Mine Conservation Audit for the Masson Hill Area. D.C.A., , Derbyshire Caving Association

Barker, I. & Beck, J.S. (2010) , Caves of the Peak District, p. 107, DCA