Another winter day in Montana comes to a close with the Clark Fork River Valley turning cold and blue from the dimming sky and snow. A setting sun flirts momentarily with the clouds to the west wi... (more)
California’s Tehachapi Mountains are dressed in spring green, as an eastbound BNSF steel coil train exits Tunnel 1 and slogs up the grade between Caliente and Bealville on February 27, 2016.