References
(1973), , D.C.A. N/L No.18., p.1., Derbyshire Caving Association
(1974), , D.C.A. N/L No.21., p.2., Derbyshire Caving Association
(1976), , E.P.C. Jour. Vol.9. No.1., p.7. Survey, Eldon Pothole Club
(1990), , D.C.A. N/L No.73., pp.8-9. Survey., Derbyshire Caving Association
(2000), Yoga’s Extension, Descent 275, pp. 10., Wild Places Publishing
(2010), , Caves of the Peak District, p. 289, p. 284 (survey), DCA
(2020), Further work in Yoga, Descent 277, p.9., Wild Places Publishing