(Trent Nelson | The Salt Lake Tribune) The Skyline coal mine on Saturday, June 4, 2022.(Trent Nelson | The Salt Lake Tribune) The Skyline coal mine on Saturday, June 4, 2022.(Trent Nelson | The Salt Lake Tribune) The Skyline coal mine on Saturday, June 4, 2022.(Trent Nelson | The Salt Lake Tribune) The Skyline coal mine on Saturday, June 4, 2022.(Trent Nelson | The Salt Lake Tribune) The Skyline coal mine on Saturday, June 4, 2022.(Trent Nelson | The Salt Lake Tribune) The Skyline coal mine on Saturday, June 4, 2022.(Trent Nelson | The Salt Lake Tribune) The Skyline coal mine on Saturday, June 4, 2022.(Trent Nelson | The Salt Lake Tribune) The Skyline coal mine on Saturday, June 4, 2022.(Trent Nelson | The Salt Lake Tribune) The Skyline coal mine on Saturday, June 4, 2022.