Surveys published by Northern Pennine Club
Ingleborough Cave - Gothic Arch Sump
Lancaster Hole - Graveyard Avens
Notts to Notts II
Ingleborough Cave - NW of Giants Hall
Chert Cave - Wild Boar Fell
Cliffe Force Cave - Buttertubs
Duncan Sike Cave - Whernside
Greenrigg Pot - Wild Boar Fell
Low Douk Cave
Ackrey Gill Cave - Cotterdale
Bransgill Cave, Penyghent
Dub Cote Cave
Magnetometer Pot - Styx Rising
Spring Trap Cave - Wharfedale
Witches Caves
Eden Syke Cave - Mallerstang
Birkwith Area
1958
Journal 59

