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post #7 of (permalink) Old 12-19-2004, 04:46 PM
bumblebee
 
Join Date: Oct 2004
Posts: 6,147
Quote:
Originally Posted by BikesR4Girls
how'd that happen???

The geology under most of florida is limestone formations. we have many underground rivers, streams and springs throughout Florida but there are a great many running east to west along hiway 40 between Daytona, through Ocala and over toward Homasassa Springs. When the water changes course, the old formation is left without the "hydraulics" holding it up and the surface collapses. It is a lot like when the ground subsides over abandoned mine shafts. (for those of you in coal country). They are as unpredictable as earthquakes and can appear virtually anywhere in an instant
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