The Lackawanna Railroad A-B-A set of F units was the first thing I saw when I pulled into the Streamliners at Spencer even back in 2014. I couldn't park the car and get my gear out quick enough.
BNSF 6713 leads an oil can train through Chemical, Colorado and towards Denver, passing many of the wild sunflowers that have grown along the Moffat Tunnel Sub track.
The large rock formation that gives Castle Rock, Colorado its name, looms in the background as BNSF 8390 (ES44C4) leads a loaded coal train south on the Joint Line at sunset.