Union Pacific SD60M 6321 heads west from Missouri Valley, IA in July 1993.

UP SD60M 6321 leaves Missouri Valley, IA in July 1993.

Union Pacific SD60M 6321 heads west out of Missouri Valley IA on a late July 1993 afternoon. This locomotive was photographed a few days after this picture was made as it returned eastbound crossing the Boyer river at Dunlop, IA.

Nikon F4s - Kodachrome 64