Releasing cool water protects fish in the Grand Canyon. That comes at cost to hydropower
Associated Press
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FILE - Utah State University master's student Barrett Friesen steers a boat near Glen Canyon dam on Lake Powell on June 7, 2022, in Page, Ariz. (AP Photo/Brittany Peterson, File)FILE - Utah State University lab technician Justin Furby weighs a smallmouth bass June 7, 2022, in Page, Ariz. (AP Photo/Brittany Peterson, File)FILE - A boat floats past bathtub rings showing how low Lake Powell levels have dropped June 7, 2022, in Page, Ariz. (AP Photo/Brittany Peterson, File)FILE - A sign reading "keep out" is displayed just upstream of Glen Canyon Dam at Lake Powell, June 8, 2022, in Page, Ariz. (AP Photo/Brittany Peterson, File)
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FILE - Utah State University master's student Barrett Friesen steers a boat near Glen Canyon dam on Lake Powell on June 7, 2022, in Page, Ariz. (AP Photo/Brittany Peterson, File)