View of the head-end of a tourist train led by Sierra Railway Baldwin 2-8-0 steam locomotive number 28 at Jamestown, California, on June 22, 1974. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

View of the head-end of a tourist train led by Sierra Railway Baldwin 2-8-0 steam locomotive number 28 at Jamestown, California, on June 22, 1974. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Southern Pacific diesel locomotives 3204 and 3206 lead Amtrak train number 11 at San Jose, California on August 10, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotives, passenger train

Southern Pacific Railroad Commuter train No. 112, lead by a Fairbanks-Morse locomotive, passes another commuter train at the at the Redwood City, California, depot on August 02, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train, passenger depot.

Southern Pacific Railroad diesel locomotive in August 1975. SP 9042 and 9119 lead a local freight train in California in 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad diesel locomotive number 2549 at Redwood City, California on August 28, 1975. SP 2549 with a switch drag at Redwood City in 1975 Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switcher locomotive.

Southern Pacific Railroad diesel locomotive number 3001 at Palo Alto, California on August 09, 1973. SP 3001 and 3005 lead a commuter train No. 126 at Palo Alto in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Southern Pacific Railroad diesel locomotive number 3002 at Palo Alto, California on August 09, 1973. SP 3002 and another unit leads six-car commuter Train No. 122 at Palo Alto in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train, truss bridge.

Southern Pacific Railroad diesel locomotive number 3003 at Redwood City, California on August 02, 1973. SP 3003 with SP Commuter train No. 139 at Redwood City in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Southern Pacific Railroad diesel locomotive number 3004 at Menlo Park, California on August 09, 1973. SP 3004 with SP Commuter train No. 149 at Menlo Park in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train, passenger depot.