In 1969, while standing on the bluffs of the Minnesota River Valley, a striking realization emerged—was this narrow modern river once part of a colossal flood channel? Evidence suggests that the Minnesota River flows through the remnants of a massive glacial outburst, where water from the ancient Lake Agassiz carved an immense valley, leaving behind towering bluffs and scattered boulders. | The Randall Carlson
1:34
In 1969, while standing on the bluffs of the Minnesota River Valley, a striking realization emerged—was this narrow modern river once part of a colossal flood channel? Evidence suggests that the Minnesota River flows through the remnants of a massive glacial outburst, where water from the ancient Lake Agassiz carved an immense valley, leaving behind towering bluffs and scattered boulders. | The Randall Carlson
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