Author Boyce Upholt joins me on the show along with Retired Captain David Greer to discuss his upcoming book, "The Great River," due to release June 11, 2024. We address his introduction to the world between the levees paddling a canoe downriver, his time researching centuries of information to put this book together, and we hear in detail the trials and tribulations set forth by the engineering feats that maintain the Mighty Mississippi as a carrier of commerce to the rest of the world.To order your copy of "The Great River," check out...https://wwnorton.com/books/9780393867879