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 railroads from the dimming of day to dawn's early light! From dusk to dawn, trains roll on! (I'm still finding sunset to sunrise surprises!)