http://beej.us/diveflag/
This site allows you to make a dive flag just like this one!

The Encyclopedia of Recreational Diving, 2nd Edition
Drew Richardson, International PADI, Inc. 2001

I would also like to thank all the cool photographers at oceanphotos.com for all of their cool public galleries. You guys are good!

The Physics of SCUBA Diving | Pressure | Buoyancy | Light and Heat | Sound | Bibliography and Related Links

Authors:

Akiyo Kikuchi
&
Wally Drumhiller