Michael Hadley | Division of Wildlife Resources Wayne Gustaveson, a Utah Division of Wildlife Resources fish biologist, displays a largemouth bass he caught at Lake Powell. Since 2012, the lake’s striped bass have been under a consumption advisory due to the presence of mercury found in fish south of Dangling Rope Marina. A new study by the U.S. Geological Survey has found the highest concentrations of the toxic metal are in the side canyons feeding into reservoir.
Brian Maffly has worked for The Tribune off and on since 1994. Maffly roams Utah, covering public land and environment.