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Giant Louisiana sinkhole


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Authorities have been trying to determine whether the sinkhole was caused by the collapse of an abandoned brine mining cavern along the margin of the Napoleonville Salt Dome or by something else. The operator of that cavern has drilled a borehole into the cavern at a depth of 3,500 feet to learn whether the cavern is the cause.


Read more at: http://phys.org/news/2012-09-sandia-experts-sinkhole-louisiana.html#jCp




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