TSG 18

Contents 

• Index of Surveys & Maps
• Editorial
• Erratum: Donatella’s Aven, Peak Cavern
• Erratum: TSG 16
• Seebackroscope Aven
• Martindale Oxbow, Peak Cavern
• Galena Chamber Aven, Peak Cavern
• The Ink Sump / Doom’s Retreat Project, Peak Cavern
• NCC Shafts, Main Stream Inlet, Peak Cavern
• White Feather Aven, Far Sump, Peak Cavern
• The Titan Dye Test
• Left Hand Branch, Far Sump, Peak Cavern
• The Donatella’s Aven Extensions, Peak Cavern
• Second Look Passage, Coral Aven, Far Sump Extension, Peak Cavern
• Window Aven and Puttrell’s Aven, Peak Cavern
• Surprise View Sump, Peak Cavern
• Peak Cavern; Destination Dirtlow?
• The Descent to Titan
• The Backend of Little Bull Pit Swallet
• P7 Swallet, Perryfoot Farm, Derbyshire
• Some Sumps in Blue John Caverns
• Bagshawe Resurgence Cave (Bradwell); Recent Progress
• Jackson’s Hole Mine Shaft, Castleton
• The Descent of Nall Grove Mine Shaft, How Grove, Dirtlow Rake
• Shaft on New Rake
• How the Technical Speleological Group (TSG) was formed