The Colorado River flows for over 1400 miles through four U.S. states, though it drains seven. It’s sometimes called the American Nile because nearly every drop of it is used by the civilization of the American West. Over 90% of the river is diverted and consumed by nearly 40 million people -- not all of whom live in its watershed. It’s a lifeline in a desert -- something to fight over. But when it gets squeezed through the tight canyons it has carved for itself it creates dramatic places for