Cave divers are the elite, and this is their story--a story of pushing the limits of technology and human endurance.About the time cave divers were saying there had to be a better way, the dive industry came out with what was to be ... This evolved into an automatic method of inflating with a manual method for dumping air, and led to the many different stylesanbsp;...
|Title||:||The Cave Divers|
|Author||:||Robert Forrest Burgess|
|Publisher||:||Aqua Quest Publications, Inc. - 1999|