The sun slowly dips further down in the western sky as Union Pacific SD70ACe No. 8795 leads BNSF's Laurel, Montana to Denver, Colorado manifest up the 2-percent grade of Burkes Hill near Louisville, Colorado on June 18, 2016.
A continuously growing album of photos that IMHO reveal the awesome and seldom-seen beauty of the railroad world from the dimming of day to dawn's early light! From dusk to dawn, trains roll on! (I'm still finding gems of sunset-to-sunrise surprises!)