Ice Age Catastrophes

Randall explores the dramatic outburst floods from Lake Agassiz, revealing how massive flows of meltwater and icebergs sculpted the landscape, leaving behind clues in place names like Big Stone City. Graham highlights the erosive power of constricted water flow, illustrating how these natural forces created unique geological features, such as the giant potholes at St. Croix Falls. The conversation uncovers the dynamic interplay between water, ice, and rock in shaping our Earth’s history.