Hudson Terminal Railroad's Alco S1 was built in 1946 and now works the yard in Hudson, Colorado.
Hudson Terminal Railroad's 80-year-old Alco S1 works the yard as storm clouds develop in the background.
A former US Army RS4TC works the terminal in Hudson, Colorado.
Hudson Terminal Railroad's #4027 (RS4TC) runs into the yard and will begin sorting oil cans.
Hudson Terminal Railroad's #4102 (SD40-2) works a cut of stack cars at the terminal facility in Hudson, Colorado.
Hudson Terminal Railroad's #4027 (former US Army RS4TC) runs to the yard past the wildflowers that have bloomed with recent rains.
Hudson Terminal Railroad's veteran #646 (Alco S1) heads into the yard to pull out a string of oil cans.
Hudson Terminal Railroad's #4027 (RS4TC) moves a cut of oil cans in the yard in Hudson, Colorado.
Hudson Terminal Railroad's SD40-2 motors build a stack train in the terminal at Hudson, Colorado.
Hudson Terminal Railroad's Alco S1 works a cut of oil cans in the large yard in Hudson, Colorado.
Hudson Terminal Railroad's #646 (Alco S1) moves a cut of hoppers towards the main track to be picked up by the BNSF at the terminal in Hudson, Colorado.
Hudson Terminal Railroad's veteran Alco S1 moves a cut of oil can in the large yard in Hudson, Colorado.
The yard team helps Hudson Terminal Railroad's 646 (Alco S1) change tracks at Hudson, Colorado.
Hudson Terminal Railroad's #646 (Alco S1) moves a cut of oil cans in the large yard in Hudson, Colorado.
Hudson Terminal Railroad's Alco S1 passes a pair of BNSF motors waiting to take a cut of oil cans from the terminal to Denver, Colorado.
