Thanks are extended to John Beck, Tony Bennett, John Buxton, Judith Calford, Arthur Champion, John Cordingley, David Gibbon, Pat Halliwell, Chris Howes, Dave Irwin, Alan Jeffreys, Graham Mullen, Ceri Murray, Brian Prewer, Jack and Laurie Sheldon and Tony Waltham for suggesting a number of changes to earlier versions of this article.

Various BCRA Publications, Caves & Caving (BSA), Cave Science (BSA), Various CNCC Publications, Various Craven Pothole Club Publications, Various CRG Publications, Descent, Gritstone Club Journals, Log of the Wookey Hole Exploration Expedition 1935, Various South Wales Caving Club Publications, The Speleologist, Proceedings of the UBSS, ULSA Reviews, Wessex Cave Club Journals, Yorkshire Ramblers Club Journals, Yorkshire Speleological Association Journals.

EA Baker – Moors, Crags & Caves of the High Peak; H Beck – Gaping Gill; CJ Carlon – The Alderley Edge Mines; D Checkley – Sima 56 S Craven – unpublished manuscript on the History of Yorkshire Caving; P Davies – Pictorial History of Swildon’s Hole; Jim Eyre – The Easegill System; Jim Eyre & John Frankland – Race Against Time; M Farr – Dan-yr-Ogof & Darkness Beckons; P Johnson – A History of Mendip Caving; CH Kenney – Caving Log 1942-50; J Lovelock – Life and Death Underground; AC Oldham – Caves of N Wales; PM O’Reilly – Ogof Ffynnon Ddu; H Savory – A Man Deep in Mendip; UWFRA – Anytime…Anywhere.

Derbyshire Caving Association, Red Rose CPC and Northern Pennine Club WWW sites.

Produced by Ric Halliwell, Craven Pothole Club
Last updated on 29 April 2002