A drilling mistake punctured a salt mine, turning a shallow lake into a massive, swirling whirlpool.
The lake depth jumped from 10 feet to 200 feet in just a few hours.
Fifty miners escaped the flooding tunnels just in time, with no human lives lost.
The drainage was so powerful it reversed a canal, creating Louisiana's tallest waterfall at 164 feet.
Nine of the eleven sunken barges popped back to the surface like corks after the lake refilled.
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