Number 18 - December 1956

Cover

Foreword

Article
The Hell Hole in the Muota Valley
Alred W.H. Bögli

Article
New Caving Equipment and Techniques
Daniel Bloxsom Jr.

Article
The Leather Man and His Caves
LeRoy W. Foote

Article
The St. Michael's Caves, Gibraltar
T.R. Shaw

Article
Blind Fishes Found in Cave Pools and Streams
Loren P. Woods

Article
Prospecting for Caves
Cord H. Link Jr.

Article
Discovery at the Fontana Christaina
John Hooper

Article
Eagle Lake Lava Caves
Robert Given

Article
A Cave Description from the Middle of the 17th Century
Charles E. Weber

Article
Seven Principles of Effective Expedition Organization
Philip M. Smith

Article
"After-Glow" of Cave Calcite
Brian J. O'Brien

Compilation
Speleological Societies Outside the United States
Burton S. Faust

Authors

Guide to Authors

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