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MN90: Evidence of an Ancient Cataclysm

Home > MN90: Minnesota History in 90 Seconds > MN90: Evidence of an Ancient Cataclysm

The Ham Lake Fire of May 2007 devastated thousands of acres in Northeast Minnesota. Britt Aamodt looks at how it also turned up evidence of a cataclysmic event that took place 1.8 billion years ago.