
| Autor: | ZUMRICK, John L.; Jr.; M.D., PROSSER, Joseph J. |
| Páginas: | 122 págs. |
| Fecha: | 1988 |
| Precio: | 33,00 € |
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.