On Mon, 4 Jan 2010 14:39:09 -0800 (PST), Frogwatch
wrote:

Was seriously cold here in NW Fl yesterday morn and we met some
friends to look for caves.

I know you are aware that cave diving is seriously nuts. We had three
Iowa farm boys, brothers, who schlepped their SCUBA gear to Fl and
found themselves a cave to explore. I don't know what they made of the
warning sign. They swam into the cave until more than half their air
was gone and headed back after it was too late. They found a camera
with them grinning at it, after they were already doomed. Evolution in
action. Then there was the kid who left a guided tour and wedged
himself. They had to cut him out with power tools, but they had plenty
of time to do it.

Casady