Deep Time on the Mississippi: The River's Geologic Origins and Future with Roy Van Arsdale

Send us Fan Mail How do you tell the story of a river that's tens of millions of years in the making? In Episode 79, I sit down with Dr. Roy Van Arsdale, Professor Emeritus at the University of Memphis, to trace the deep geologic history of the Mississippi River—and it's a more dynamic ride than you might expect. We go back 100 million years, to a time when rivers in North America generally flowed north and west, then follow the dramatic forces that reversed the continent's plumbing, includin...