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NSS Cavern Diving Manual Item:. 01-0038 Weight: 0.38 lbs Price: $ 16.50 In Stock Quantity: 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250 Check Out

NSS Cavern Diving Manual Cavern diving is diving in a cave entrance within sight and easy reach of open air. Students often take a cavern-diving course before undertaking full cave-diving training. This small manual was published by the Cave Diving Section of the NSS. John Zumrick, Joe Prosser, and H. V. Grey 1988 vi+121 pages, softbound