Hudson Terminal Railroad's Alco S1 works the yard in Hudson, Colorado sorting oil cans at the terminal.
Hudson Terminal Railroad's #646 (Alco S1) moves a cut of oil cans in the yard at Hudson, Colorado.
A crewmember of Hudson Terminal Railroad's #646 (Alco S1) throws a switch at in the yard.
Hudson's Terminal Railroad's Alco S1 works the oil terminal in Hudson, Colorado.
Hudson Terminal Railway's veteran Alco S1 moves a cut of cars in the yard at Hudson, Colorado.
Hudson Terminal Railroad's #646 (Alco S1) works a string of oil cans in Hudson, Colorado.
Hudson Terminal Railroad's Alco S1 runs through the yard to get a cut of oil cans.
Hudson Terminal Railroad's Alco S1 runs past a vintage heavy weight passenger car in Hudson, Colorado.
A crew member throws a switch for the Hudson Terminal Railroad's Alco S1.
Hudson Terminal Railroad's #646 (Alco S1) heads to the yard to get a cut of oil cans repositioned in the terminal at Hudson, Colorado.
A veteran Alco S1 working at the Hudson Terminal Railroad muscles a cut of oil cans onto a siding.
Hudson Terminal Railroad's #646 (Alco S1) moves a cut of oil cans in the terminal at Hudson, Colorado.
The 78-year-old Alco S1 still makes bank for the Hudson Terminal Railroad as it works the yard in Hudson, Colorado.
The Alco S1 which operates for the Hudson Terminal Railroad moves a cut of oil cans to a ready track for pickup by the BNSF.
This 78-year-old veteran works a terminal in Hudson, Colorado. The Alco S1 was built in 1946 for the Detroit & Mackinac Railroad and later operated with the Lake State Railway Company.