River Snail

River Snail

Goniobasis virginica

Size: to 1"

Habitat: flowing water

Notes: This is one example of the many small snails you may find during a freshwater dive. They are very common in Round Valley Reservoir, which is filled from the Raritan River.


The Essentials of Deeper Sport Diving

The Essentials of Deeper Sport Diving
John Lippman
AquaQuest, 1992
320 pages, illustrated, b&w

This book is not about technical diving but covers many important aspects of decompression physiology and deep-diving techniques and equipment that any diver ought to know. I see it for 1 cent used on Amazon - get a copy !!!


US Navy Dive Manual

US Navy Dive Manual
1999, updated 2001

Free Download: US Navy Dive Manual