Southern Pacific Railroad diesel locomotive number 4000 at Redwood City, California on August 02, 1973. SP 4000 and a caboose parked at Redwood City in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Southern Pacific Railroad diesel locomotive number 3752 at Roseville, California on August 03, 1973. SP 3752 and 3330 parked at Roseville in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Southern Pacific Railroad diesel locomotive number 3200 at Menlo Park, California on August 09, 1973. SP 3200 with SP Commuter train No. 138 at Menlo Park depot in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train, passenger depot.

Southern Pacific Railroad diesel locomotive number 3035 at Redwood City, California on August 09, 1973. SP 3035, a Fairbanks-Morse unit, with SP Commuter train No. 114 at Redwood City in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Southern Pacific Railroad diesel locomotive number 3033 at Redwood City, California on August 02, 1973. SP 3033 and 3026, both Fairbanks-Morse units, with SP Commuter train No. 135 at Redwood City in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Southern Pacific Railroad diesel locomotive number 3033 at Redwood City, California on August 02, 1973. SP 3033 and 3026, both Fairbanks-Morse units, with SP Commuter train No. 135 at Redwood City in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Southern Pacific Railroad diesel locomotive number 3033 at Redwood City, California on August 09, 1973. SP 3033, a Fairbanks-Morse unit, with SP Commuter train No. 140 at Redwood City in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Southern Pacific Railroad diesel locomotive number 3031 at San Jose, California on August 10, 1973. The crew of SP 3031, a Fairbanks-Morse unit, climb aboard an SP Commuter train at the San Jose depot in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train, passenger depot.

Southern Pacific Railroad diesel locomotive number 3031 at San Jose, California on August 10, 1973. SP 3031, a Fairbanks-Morse unit, cuts off its passenger car consist while preparing to start an SP Commuter train shift at San Jose depot in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train, passenger depot.

Southern Pacific Railroad diesel locomotive number 3031 at Redwood City, California on August 02, 1973. SP 3031, a Fairbanks-Morse unit, with SP Commuter train No. 112 at Redwood City in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.