Southern Pacific Railroad diesel locomotive number 9343 at Lovelock, Nevada on August 24, 1977. SP 9343 and two other units lead a piggy-back freight train near Lovelock in 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad diesel locomotive number 3307 at Reno, Nevada on August 24, 1977. SP 3307 and 3324 lead a work train east of Reno in 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, work train, river.

Four Southern Pacific Railroad diesel locomotives lead an extra freight train between Lovelock and Winnemucca, Nevada on August 24, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Four Southern Pacific Railroad diesel locomotives lead an extra freight train east of Lovelock, Nevada on August 24, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Amtrak diesel locomotive 629 at near Verdi, Nevada in August 1975. 629 leads train 6 near Verdi in 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train