Water flows from the number one and two jet tubes as seen from atop the Glen Canyon Dam in 2008 in Page, Ariz. The U.S. Bureau of Reclamation decided against sending water rushing through the Grand Canyon this fall to redeposit sediment because of persistent drought. Agency officials said opening the bypass tubes at the Glen Canyon Dam would have reduced the elevation of Lake Powell at a time when it’s at historic lows. (AP Photo/Matt York, File)