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Indydealmaker
04-27-2014, 11:03 AM
This is a really good dissertation on sinkholes.
HowStuffWorks "How Sinkholes Work" (http://science.howstuffworks.com/nature/natural-disasters/sinkhole.htm)

graciegirl
04-27-2014, 11:05 AM
This is a really good dissertation on sinkholes.
HowStuffWorks "How Sinkholes Work" (http://science.howstuffworks.com/nature/natural-disasters/sinkhole.htm)


Excellent Steve, and I can safely bet every poster but one will read it.
More later.....and more later.

Golfingnut
04-27-2014, 11:15 AM
Good read, but my ipad would not launch the video

Nlnicholson
04-27-2014, 01:25 PM
For the ipad

http://m.youtube.com/watch?v=tQvv8YFCGsY

elizabeth52
04-27-2014, 01:46 PM
Interesting read. Thank you.