Grand Canyon flood exercise ends as normal Colorado River flows resume
Glen Canyon Dam operators began slowing high flows from Lake Powell into the Colorado River Thursday, ending a 72-hour exercise aimed at improving environmental conditions through the Grand Canyon. Bureau of Reclamation crews reduced flows through the bypass tubes on the side of the dam Thursday morning, then slowed releases through the power turbines. Regular operations were scheduled to resume late in the day. Water levels on the river as it flows through the Canyon will drop over the next few days, according to the National Park Service…