External OutletSeptember 4, 2026
By Greg Walcher | Commentary, GregWalcher.com John Wesley Powell, the 19th Century Colorado River explorer, long-time head of the U.S. Geological Survey, and one-armed veteran of the Battle of Shiloh, published one of the earliest analyses of the American Southwest in 1879, called “Report on the Lands of the Arid Region of the United States.” He may have been the first to figure out that the limiting factor for settlement and growth in the West would never be land, but always water. It w...