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NSS Cavern Diving Manual
por Zumrick, John L.; Jr.; M.D., Prosser, Joseph J.
Fecha de la edición: 1988
Pages 122
book summary
Cave formation and terminology. Cave hazards. Equipment. Buoyancy control and propulsion techniques. Use of lines and reels. Underwater communications. Dive planning. Psychological aspects. Emergency procedures. An open letter from the NSS Cave Diving Section to Prospective Cavern Divers.