References
(1979), , Cave Diving Group Newsletter no. 50., , Cave Diving Group
(1979), , Cave Diving Group Newsletter no. 53., , Cave Diving Group
(1980), , Cave Diving Group Newsletter no. 54., , Cave Diving Group
(1980), , Cave Diving Group Newsletter no. 56., , Cave Diving Group
(1980), , Cave Diving Group Newsletter no. 57., , Cave Diving Group
(1981), , Cave Diving Group Newsletter no. 59., , Cave Diving Group
(1981), , Cave Diving Group Newsletter no. 60., , Cave Diving Group
(1981), , Cave Diving Group Newsletter no. 61., , Cave Diving Group
(1981), , S.U.S.S. Jour. Vol.3. No.2., p.18., Sheffield University Speleological Society
(1982), , Cave Diving Group Newsletter no. 63., , Cave Diving Group
(1982), , Cave Diving Group Newsletter no. 64., , Cave Diving Group
(1983), , Cave Diving Group Newsletter no. 67., , Cave Diving Group
(1983), , Cave Diving Group Newsletter no. 68., , Cave Diving Group
(1985), , Cave Diving Group Newsletter no. 74., , Cave Diving Group
(1987), , Cave Diving Group Newsletter no. 84., , Cave Diving Group
(2010), , Caves of the Peak District, p. 126, DCA
(2017), The Underground Drainage Of The Long Cliff to Goosehill Area, Castleton, Derbysh, TSG 19, pp. 179-189., Technical Speleological Group