mikelegurra
Contributor
maybe a lot of you already know this site but i think it can be handy for newbies.
an online version, in pdf, is available at http://www.coralspringsscuba.com/miscellaneous/usn_manual.htm
just found out and thought i'd share it.
an online version, in pdf, is available at http://www.coralspringsscuba.com/miscellaneous/usn_manual.htm
just found out and thought i'd share it.