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 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 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 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 4000 at Redwood City, California on August 10, 1973. SP 4000 with caboose 1440 at Redwood City in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, steel caboose.

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 4388 at Mt. Shasta, California in August 1977. SP 4388, 9054 and a third unit lead an extra freight train north of Mt. Shasta in 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad diesel locomotive number 8458 at Truckee, California on August 27, 1975. SP 8458, 8405 and 8470 help a westbound extra freight train west of Truckee in 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, helper locomotive-.

Southern Pacific Railroad diesel locomotive number 8618 at Redwood City, California on August 02, 1973. SP 8618 trails 9202 on a freight train at Redwood City in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad diesel locomotive number 8983 at Benecia, California on June 27, 1974. SP 8983 and 9214 lead a freight consist of refrigerator cars at Benicia in 1974. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, refrigerator car.

Southern Pacific Railroad diesel locomotive number 9061 at Donner Summit, California on August 27, 1975. SP 9061, 8968, 8368 and 8403 lead a westbound extra freight train at Donner Summit in 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, tunnel.

Southern Pacific Railroad diesel locomotive number 9061 at Donner Summit, California on August 27, 1975. SP 9061, 8968, 8368 and 8403 lead a westbound extra freight train at Donner Summit in 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, tunnel.

Southern Pacific Railroad diesel locomotive number 9061 at Truckee, California on August 27, 1975. SP 9061, 8968, 8368 and 8403 lead a westbound extra freight train west of Truckee in 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad diesel locomotive number 9186 at Redwood City, California on August 02, 1973. SP 9186 and another unit parked at Redwood City in 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Southern Pacific Railroad diesel locomotive number 9197 at Sacramento, California on August 18, 1977. SP 9197 and 9381 lead a mixed freight train west of Sacramento in 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad diesel locomotive number 9238 at Roseville, California on April 14, 1976. SP 9238, 9358 and 9004 with an eastbound extra freight train at Roseville in 1976. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad diesel locomotive number 9238 at Roseville, California on April 14, 1976. SP 9238, 9358 and 9004 with an eastbound extra freight train at Roseville in 1976. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad diesel locomotive number 9349 at Mt. Shasta, California on August 17, 1977. SP 9349 help and westbound extra freight north of Mt. Shasta in 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, helper locomotive-.

Southern Pacific Railroad diesel locomotive number 9403 at Roseville, California on April 14, 1976. SP 9403 and 8843 lead an eastbound extra freight train at Roseville in 1976. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad diesel locomotive number 9800 at Roseville, California on August 03, 1973. SP 9800, 9802 and 2146 parked at the locomotive terminal in Roseville in 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Southern Pacific Railroad diesel locomotive number 9847 at Modke Point, California in July 1976. SP 9847, 8873, 8959 and one other unit lead a freight train at Modke Point in 1976. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Southern Pacific Railroad steam locomotive number 3025 at Los Angeles, California on August 06, 1973. SP 3025, a 4-4-2 Atlantic-type locomotive on display in Los Angeles in 1973. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, display.

Southern Pacific Railroad steam locomotive number 3611 at Davis, California on June 18, 1947. SP 3611, a 2-10-2, leads an extra freight train at Davis in 1947. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train.

Southern Pacific Railroad steam locomotive number 4360 at San Francisco, California in November 1953. The crew of SP 4360, a 4-8-2, waits for a highball at the station in San Francisco in 1953. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger train, railroad crew.

Southern Pacific Railroad steam locomotive number 4449 at San Francisco, California in April 1953. SP 4449, a 4-8-4, parked at the station in San Francisco while in service on the Daylight trains to Los Angeles in 1953. Photo by W.E. Miller, J.M. Fredricson collection. Other Subject Classes: steam locomotive, locomotive facility.

Southern Pacific Railroad steam locomotive number 4451 at Santa Barbara, California in June 1947. SP 4451, a 4-8-4, hauls southbound passenger train No. 97 near Santa Barbara in 1947. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Southern Pacific Railroad steam locomotive number 4451 at Santa Barbara, California in June 1947. SP 4451, a 4-8-4, hauls southbound passenger train No. 97 meeting the northbound Daylight near Santa Barbara in 1947. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Southern Pacific Railroad tunnels at Donner Summit, California on August 27, 1975. Waiting for a westbound extra freight train at Donner Summit in 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, tunnel.

Stockton Terminal & Eastern Railroad General Electric (GE) 65-ton diesel locomotive number 11 at the engine terminal in Stockton, California, on August 3, 1973. Industrial switcher built in 1941 (construction number 13162) for use at the Savannah Ordnance Depot as United States Army number 7195. Purchased by Stockton Terminal & Eastern in 1955 and scrapped in 1974. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.

Stockton Terminal & Eastern Railroad General Electric (GE) 44-ton diesel locomotive number 12 at the engine terminal in Stockton, California, on August 3, 1973. Industrial switcher built in 1943 (construction number 18154) for the Atchison Topeka & Santa Fe as number 466. Purchased by Stockton Terminal & Eastern in 1961. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.