“The relining of the outlets ensures Glen Canyon Dam continues to operate in a manner ... cavitation — shockwaves powerful enough to damage steel. “Once the integrity of the coating is ...

Last year, federal officials discovered damage inside those four tubes that ... Making fixes to Glen Canyon Dam, he said, ...

Aerial image of Glen Canyon Dam, a concrete arch on the Colorado River. Water levels are at their lowest since the 710-foot-high dam filled to capacity in the early 1980s. Pete McBride The water ...