References
(1987), , D.C.A. N/L. No.64., p.12. Survey., Derbyshire Caving Association
(1994), , Peak District Sump Index., p.9. Survey., Cave Diving Group
(1997), , Peak District Sump Index Update., pp.6-7., Cave Diving Group
(1997), , CDG N/L No.124, pp.23-24. Survey., Cave Diving Group
(2010), , Caves of the Peak District, p. 51, DCA
(2024), Dive in Resurgence, CDG Newsletter 230, P.3, Cave Diving Group
(2024), Reopening the sump, CDG Newsletter 232, P8-10., Cave Diving Group