(Leah Hogsten | Tribune file photo) This June 14, 2018, file photo shows Petroteq Energy's processing plant, located on Asphalt Ridge, south of Vernal. The federal Bureau of Land Management is proposing to lease 2,100 acres nearby for tar sands development in the waning days of the Trump administration.
Brian Maffly has worked for The Tribune off and on since 1994. Maffly roams Utah, covering public land and environment.