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#10 | |||
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Senior Member
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Quote:
Yes on Ch4 News yesterday they showed Florida and a Road that became Sink Holed. They are staying away from that area now. Building on limestone is the problem after years of water it changes it. ![]() The Devil's Hole sinkhole near Hawthorne, Florida, USA [Sinkholes are common where the rock below the land surface is limestone or other carbonate rock, salt beds, or rocks that can naturally be dissolved by circulating ground water.] http://en.wikipedia.org/wiki/Sinkhole |
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