This ALCo S-2 is seen from the 21st St. bridge over the tracks working the west end of Union Station.

This S-2 is switching a cut of cars that includes one of the NYC Flexi-Van containers on flat car which appeared on passenger trains of the 1960s.

ALCo S-2 #573 is seen working the west side of Union Station from the 21st St. bridge on May 1, 1966.

This was taken at the hump yard in Madison, IL on May 1, 1965.

This S-2 is seen on the "in the street" river front line below the Gateway Arch.

This S-2 is working Union Station on Dec. 16, 1967.

The I-44 bridge over the Mississippi River was under construction in this view of S-2 #588 on Dec. 11, 1965.

This S-2 was switching the freight yard across from Union Station as my train, the Frisco "Meteor", arrived in St. Louis on April 13, 1963.

These 2 S-2s were working the freight yard across from Union Station when I shot them from the 21st St. bridge over the yard on August 29, 1966.