The Blue Hole:   I found these in my rummageing around and thought I would 
send these for your concideration.  It is a place with some mystic and if 
anyone knows of another place or two where these happen to be found please 
let me know,  this one is in Ohio.


On the Blue Hole question
 The Buckeye Chronicles
 
http://www.lkwdpl.org/buckeye/buck07.htm


 Blue Hole of Castalia
 
http://www.projex.demon.co.uk/bottom.html