Here is the Lower Mississippi River, 45 feet below normal pool. Over Thanksgiving, Susan and I shoehorned ourselves onto a cruise ship to learn about the lower Mississippi and its bayou. We started in Memphis and ended up in New Orleans, with stops along the way to explore river towns. This river is the third longest on the planet, providing drainage to 40% of North America. It has historically deposited silt yearly in its floodplains, producing topsoil 120 feet deep, making these soils some of the richest in the world. Vast wetland forests grew beside its banks, of cypress, oaks, and sycamores, populated by a rich array of black bears, deer, bobcats, alligators, and aquatic life. This was the legendary bayou.