A key fish that has dwelt in the Colorado River since ancient times, and whose presence indicates a healthy river, is now up against a threat from a giant dam above.
Barrett Friesen steers a motorboat toward the shore of Lake Powell, with the Glen Canyon Dam towering overhead. Pale “bathtub rings” line the canyon’s rocky face, starkly illustrating how water levels have slumped in the second-largest U.S. reservoir amid rising demand and a multiyear drought.
PAGE, Ariz. (AP) Barrett Friesen steers a motorboat toward the shore of Lake Powell, with the Glen Canyon Dam towering overhead. Pale “bathtub rings” line the canyon’s rocky face, starkly illustrating how water levels have slumped in the second-largest U.S.