Cave Geology
John Beck in 1980 produced a PhD thesis: "Aspects of Speleogenesis in the Carboniferous Limestone of North Derbyshire."
This contains a definitive account of the speleogenesis of the Peak – Speedwell – Rushup Edge area in the light of information available up to 1980.
The sections relating to Peak Speedwell can be seen at the following links:
Other worthwhile publications:
The Peak Speedwell Cave System, Castleton, Derbyshire. BCRA Cave Science Vol 18, No 1, April 1991.
Cordingley, J.N; The Peak Cavern System - a caver's Guide. ISBN: 0 948152 01 X
Ford, T.D. 1986. "The evolution of the Castleton Cave Systems, Derbyshire". Cave Science (trans BCRA), 13(3), pp 131-148.
Ford, T.D., 1967. "The underground drainage systems of the Castleton Area, Derbyshire and their evolution". Cave Science vol.5, No. 39. pp 369-396
Nixon, D.A. & Warriner, D. 1997. The Connection of James Hall's Over Engine Mine to Peak and Speedwell Cavern. PDMHS Vol 13. No 3. pp 57-67.