(Trent Nelson | The Salt Lake Tribune) Bonanza Power Plant, a coal-fired generating station in Uintah County. The plant, and two others in Utah, could face early retirement under a ozone-reduction plan imposed on Utah by the U.S. Environmental Protection Agency. Overflight provided by EcoFlight.
Brian Maffly has worked for The Tribune off and on since 1994. Maffly roams Utah, covering public land and environment.