River Notes: A Natural and Human History of the Colorado

Plugged by no fewer than twenty-five dams, the Colorado is the world’s most regulated river drainage, providing most of the water supply of Las Vegas, Tucson, and San Diego, and much of the power and water of Los Angeles and Phoenix, cities that are home to more than 25 million people. If it ceased flowing, the water held in its reservoirs might hold out for three to four years, but after that it would be necessary to abandon most of southern California and Arizona, and much of Colorado, Ne...