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On June 5, 1976, the Teton River Dam in Idaho collapsed as it was being filled for the first time, killing 11 people, flooding 300 square miles and causing an estimated $1 billion damage.
On June 5, 1976, the Teton River Dam in Idaho collapsed as it was being filled for the first time, killing 11 people, flooding 300 square miles and causing an estimated $1 billion damage.